Imported Upstream version 0.9.25

6 files changed, 3236 insertions, 0 deletions

diff --git a/tests/Makefile b/tests/Makefile
new file mode 100644
index 0000000..ddd4932
--- /dev/null
+++ b/tests/Makefile
@@ -0,0 +1,145 @@
+#
+# Tiny C Compiler Makefile - tests
+#
+
+# what tests to run
+TESTS = libtest test3
+
+# these should work too
+# TESTS += test1 test2 speed
+
+# these don't work as they should
+# TESTS += test4 btest asmtest
+
+
+TOP = ..
+include $(TOP)/Makefile
+
+# run local version of tcc with local libraries and includes
+TCC = ../tcc -B..
+RUN_TCC = $(NATIVE_TARGET) -run ../tcc.c -B..
+DISAS=objdump -d
+
+all test : $(TESTS)
+
+# make sure that tcc exists
+$(TESTS) : ../tcc
+../tcc ../libtcc.a :
+	$(MAKE) -C ..
+
+# libtcc test
+libtest: libtcc_test$(EXESUF)
+	@echo ------------ $@ ------------
+	./libtcc_test lib_path=..
+
+libtcc_test$(EXESUF): libtcc_test.c ../libtcc.a
+	$(CC) -o $@ $^ -I.. $(CFLAGS) $(LIBS)
+
+# test.ref - generate using gcc
+test.ref: tcctest.c
+	cp -u ../include/tcclib.h .
+	$(CC) -o tcctest.gcc $< -I. -w $(CFLAGS)
+	./tcctest.gcc > $@
+
+# auto test
+test1: test.ref
+	@echo ------------ $@ ------------
+	$(TCC) -run tcctest.c > test.out1
+	@if diff -u test.ref test.out1 ; then echo "Auto Test OK"; fi
+
+# iterated test2 (compile tcc then compile tcctest.c !)
+test2: test.ref
+	@echo ------------ $@ ------------
+	$(TCC) $(RUN_TCC) $(RUN_TCC) -run tcctest.c > test.out2
+	@if diff -u test.ref test.out2 ; then echo "Auto Test2 OK"; fi
+
+# iterated test3 (compile tcc then compile tcc then compile tcctest.c !)
+test3: test.ref
+	@echo ------------ $@ ------------
+	$(TCC) $(RUN_TCC) $(RUN_TCC) $(RUN_TCC) -run tcctest.c > test.out3
+	@if diff -u test.ref test.out3 ; then echo "Auto Test3 OK"; fi
+
+# binary output test
+test4: test.ref
+	@echo ------------ $@ ------------
+# dynamic output
+	$(TCC) -o tcctest1 tcctest.c
+	./tcctest1 > test1.out
+	@if diff -u test.ref test1.out ; then echo "Dynamic Auto Test OK"; fi
+# object + link output
+	$(TCC) -c -o tcctest3.o tcctest.c
+	$(TCC) -o tcctest3 tcctest3.o
+	./tcctest3 > test3.out
+	@if diff -u test.ref test3.out ; then echo "Object Auto Test OK"; fi
+# static output
+	$(TCC) -static -o tcctest2 tcctest.c
+	./tcctest2 > test2.out
+	@if diff -u test.ref test2.out ; then echo "Static Auto Test OK"; fi
+# dynamic output + bound check
+	$(TCC) -b -o tcctest4 tcctest.c
+	./tcctest4 > test4.out
+	@if diff -u test.ref test4.out ; then echo "BCheck Auto Test OK"; fi
+
+# memory and bound check auto test
+BOUNDS_OK  = 1 4 8 10
+BOUNDS_FAIL= 2 5 7 9 11 12 13
+
+btest: boundtest.c
+	@echo ------------ $@ ------------
+	@for i in $(BOUNDS_OK); do \
+	   if $(TCC) -b -run boundtest.c $$i ; then \
+	       /bin/true ; \
+	   else\
+	       echo Failed positive test $$i ; exit 1 ; \
+	   fi ;\
+	done ;\
+	for i in $(BOUNDS_FAIL); do \
+	   if $(TCC) -b -run boundtest.c $$i ; then \
+	       echo Failed negative test $$i ; exit 1 ;\
+	   else\
+	       /bin/true ; \
+	   fi ;\
+	done ;\
+	echo Bound test OK
+
+# speed test
+speed: ex2 ex3
+	@echo ------------ $@ ------------
+	time ./ex2 1238 2 3 4 10 13 4
+	time $(TCC) -run ../examples/ex2.c 1238 2 3 4 10 13 4
+	time ./ex3 35
+	time $(TCC) -run ../examples/ex3.c 35
+
+ex%: ../examples/ex%.c
+	$(CC) -o $@ $< $(CFLAGS)
+
+# tiny assembler testing
+asmtest.ref: asmtest.S
+	$(CC) -o asmtest.ref.o -c asmtest.S
+	objdump -D asmtest.ref.o > $@
+
+asmtest: asmtest.ref
+	@echo ------------ $@ ------------
+	$(TCC) -c asmtest.S
+	objdump -D asmtest.o > $@
+	@if diff -u --ignore-matching-lines="file format" asmtest.ref asmtest.out ; then echo "ASM Auto Test OK"; fi
+
+# targets for development
+%.bin: %.c tcc
+	$(TCC) -g -o $@ $<
+	$(DISAS) $@
+
+instr: instr.o
+	objdump -d instr.o
+
+instr.o: instr.S
+	$(CC) -o $@ -c $< -O2 -Wall -g
+
+cache: tcc_g
+	cachegrind ./tcc_g -o /tmp/linpack -lm bench/linpack.c
+	vg_annotate tcc.c > /tmp/linpack.cache.log
+
+# clean
+clean:
+	rm -vf *~ *.o *.a *.bin *.i *.ref *.out *.out? *.gcc \
+	   tcctest[1234] ex? libtcc_test$(EXESUF) tcc_g tcclib.h
diff --git a/tests/asmtest.S b/tests/asmtest.S
new file mode 100644
index 0000000..358a823
--- /dev/null
+++ b/tests/asmtest.S
@@ -0,0 +1,558 @@
+
+/* some directive tests */
+
+   .byte 0xff
+   .byte 1, 2, 3
+   .short 1, 2, 3
+   .word 1, 2, 3
+   .long 1, 2, 3
+   .int 1, 2, 3
+   .align 8
+   .byte 1
+   .align 16, 0x90
+   .skip 3
+   .skip 15, 0x90
+   .string "hello\0world"
+
+/* some label tests */
+
+        movl %eax, %ebx
+L1:
+        movl %eax, %ebx
+        mov 0x10000, %eax
+L2:
+        movl $L2 - L1, %ecx
+var1:
+        nop ; nop ; nop ; nop
+
+        mov var1, %eax
+
+/* instruction tests */
+movl %eax, %ebx
+mov 0x10000, %eax
+mov 0x10000, %ax
+mov 0x10000, %al
+mov %al, 0x10000
+                
+mov $1, %edx
+mov $1, %dx
+mov $1, %dl
+movb $2, 0x100(%ebx,%edx,2)
+movw $2, 0x100(%ebx,%edx,2)
+movl $2, 0x100(%ebx,%edx,2)
+movl %eax, 0x100(%ebx,%edx,2)
+movl 0x100(%ebx,%edx,2), %edx
+movw %ax, 0x100(%ebx,%edx,2)
+
+mov %eax, 0x12(,%edx,2)
+        
+mov %cr3, %edx
+mov %ecx, %cr3
+movl %cr3, %eax
+movl %tr3, %eax
+movl %db3, %ebx
+movl %dr6, %eax
+movl %fs, %ecx
+movl %ebx, %fs
+
+     movsbl 0x1000, %eax
+     movsbw 0x1000, %ax
+     movswl 0x1000, %eax
+
+     movzbl 0x1000, %eax
+     movzbw 0x1000, %ax
+     movzwl 0x1000, %eax
+            
+     movzb 0x1000, %eax
+     movzb 0x1000, %ax
+                
+        
+  pushl %eax
+  pushw %ax
+  push %eax
+  push %cs
+  push %gs
+  push $1
+  push $100
+                                                
+  popl %eax
+  popw %ax
+  pop %eax
+  pop %ds
+  pop %fs
+          
+  xchg %eax, %ecx
+  xchg %edx, %eax
+  xchg %bx, 0x10000
+  xchg 0x10000, %ebx
+  xchg 0x10000, %dl
+
+  in $100, %al               
+  in $100, %ax               
+  in $100, %eax
+  in %dx, %al
+  in %dx, %ax               
+  in %dx, %eax
+  inb %dx
+  inw %dx               
+  inl %dx
+
+  out %al, $100                       
+  out %ax, $100                       
+  out %eax, $100                       
+
+  /* NOTE: gas is bugged here, so size must be added */
+  outb %al, %dx                       
+  outw %ax, %dx                       
+  outl %eax, %dx                       
+
+  leal 0x1000(%ebx), %ecx
+  lea 0x1000(%ebx), %ecx
+
+  les 0x2000, %eax
+  lds 0x2000, %ebx
+  lfs 0x2000, %ecx
+  lgs 0x2000, %edx
+  lss 0x2000, %edx
+
+addl $0x123, %eax
+add $0x123, %ebx
+addl $0x123, 0x100
+addl $0x123, 0x100(%ebx)
+addl $0x123, 0x100(%ebx,%edx,2)
+addl $0x123, 0x100(%esp)
+addl $0x123, (%ebp)
+addl $0x123, (%esp)
+cmpl $0x123, (%esp)
+
+add %eax, (%ebx)
+add (%ebx), %eax
+                
+or %dx, (%ebx)
+or (%ebx), %si
+        
+add %cl, (%ebx)
+add (%ebx), %dl
+
+    inc %edx
+    incl 0x10000
+    incb 0x10000
+    dec %dx
+  
+  test $1, %al
+  test $1, %cl
+
+  testl $1, 0x1000
+  testb $1, 0x1000
+  testw $1, 0x1000
+  test %eax, %ebx
+  test %eax, 0x1000
+  test 0x1000, %edx
+
+    not %edx
+    notw 0x10000
+    notl 0x10000
+    notb 0x10000
+
+    neg %edx
+    negw 0x10000
+    negl 0x10000
+    negb 0x10000
+
+    imul %ecx
+    mul %edx
+    mulb %cl
+
+    imul %eax, %ecx
+    imul 0x1000, %cx
+    imul $10, %eax, %ecx
+    imul $10, %ax, %cx
+    imul $10, %eax
+    imul $0x1100000, %eax
+    imul $1, %eax
+    
+    idivw 0x1000
+    div %ecx
+    div %bl
+    div %ecx, %eax
+
+
+shl %edx
+shl $10, %edx
+shl %cl, %edx
+
+shld $1, %eax, %edx
+shld %cl, %eax, %edx
+shld %eax, %edx
+
+shrd $1, %eax, %edx
+shrd %cl, %eax, %edx
+shrd %eax, %edx
+
+L4:
+call 0x1000
+call L4
+call *%eax
+call *0x1000
+call func1
+
+lcall $0x100, $0x1000
+
+jmp 0x1000
+jmp *%eax
+jmp *0x1000
+
+ljmp $0x100, $0x1000
+
+ret
+
+ret $10
+
+lret
+
+lret $10
+
+enter $1234, $10
+
+L3:
+ jo 0x1000
+ jnp 0x1001
+ jne 0x1002
+ jg 0x1003
+
+ jo L3
+ jnp L3
+ jne L3
+ jg L3
+
+ loopne L3
+ loopnz L3
+ loope L3
+ loopz L3
+ loop L3
+ jecxz L3
+
+        
+ seto %al
+ setnp 0x1000
+ setl 0xaaaa
+ setg %dl
+
+ fadd
+ fadd %st(1), %st
+ fadd %st(3)
+
+ faddp %st(5)
+ faddp
+ faddp %st(1), %st
+
+ fadds 0x1000
+ fiadds 0x1002
+ faddl 0x1004
+ fiaddl 0x1006
+
+ fmul
+ fmul %st(1), %st
+ fmul %st(3)
+
+ fmulp %st(5)
+ fmulp
+ fmulp %st(1), %st
+
+ fmuls 0x1000
+ fimuls 0x1002
+ fmull 0x1004
+ fimull 0x1006
+
+ fsub
+ fsub %st(1), %st
+ fsub %st(3)
+
+ fsubp %st(5)
+ fsubp
+ fsubp %st(1), %st
+
+ fsubs 0x1000
+ fisubs 0x1002
+ fsubl 0x1004
+ fisubl 0x1006
+
+ fsubr
+ fsubr %st(1), %st
+ fsubr %st(3)
+
+ fsubrp %st(5)
+ fsubrp
+ fsubrp %st(1), %st
+
+ fsubrs 0x1000
+ fisubrs 0x1002
+ fsubrl 0x1004
+ fisubrl 0x1006
+
+ fdiv
+ fdiv %st(1), %st
+ fdiv %st(3)
+
+ fdivp %st(5)
+ fdivp
+ fdivp %st(1), %st
+
+ fdivs 0x1000
+ fidivs 0x1002
+ fdivl 0x1004
+ fidivl 0x1006
+
+ fcom %st(3)
+
+ fcoms 0x1000
+ ficoms 0x1002
+ fcoml 0x1004
+ ficoml 0x1006
+
+ fcomp %st(5)
+ fcomp
+ fcompp
+
+ fcomps 0x1000
+ ficomps 0x1002
+ fcompl 0x1004
+ ficompl 0x1006
+
+ fld %st(5)
+ fldl 0x1000
+ flds 0x1002
+ fildl 0x1004
+ fst %st(4)
+ fstp %st(6)
+ fstpt 0x1006
+ fbstp 0x1008
+
+ fxch
+ fxch %st(4)
+
+ fucom %st(6)
+ fucomp %st(3)
+ fucompp
+
+ finit
+ fninit
+ fldcw 0x1000
+ fnstcw 0x1002
+ fstcw 0x1002
+ fnstsw 0x1004
+ fnstsw %eax
+ fstsw 0x1004
+ fstsw %eax
+ fnclex
+ fclex
+ fnstenv 0x1000
+ fstenv 0x1000
+ fldenv 0x1000
+ fnsave 0x1002
+ fsave 0x1000
+ frstor 0x1000
+ ffree %st(7)
+ ffreep %st(6)
+ 
+    ftst
+    fxam
+    fld1
+    fldl2t
+    fldl2e
+    fldpi
+    fldlg2
+    fldln2
+    fldz
+
+    f2xm1
+    fyl2x
+    fptan
+    fpatan
+    fxtract
+    fprem1
+    fdecstp
+    fincstp
+    fprem
+    fyl2xp1
+    fsqrt
+    fsincos
+    frndint
+    fscale
+    fsin
+    fcos
+    fchs
+    fabs
+    fnop
+    fwait
+
+bswap %edx
+xadd %ecx, %edx
+xaddb %dl, 0x1000
+xaddw %ax, 0x1000
+xaddl %eax, 0x1000
+cmpxchg %ecx, %edx
+cmpxchgb %dl, 0x1000
+cmpxchgw %ax, 0x1000
+cmpxchgl %eax, 0x1000
+invlpg 0x1000
+cmpxchg8b 0x1002
+
+fcmovb %st(5), %st
+fcmove %st(5), %st
+fcmovbe %st(5), %st
+fcmovu %st(5), %st
+fcmovnb %st(5), %st
+fcmovne %st(5), %st
+fcmovnbe %st(5), %st
+fcmovnu %st(5), %st
+fcomi %st(5), %st
+fucomi %st(5), %st
+fcomip %st(5), %st
+fucomip %st(5), %st
+
+
+
+ cmovo 0x1000, %eax
+ cmovs 0x1000, %eax
+ cmovns %edx, %edi
+
+int $3
+int $0x10
+
+    pusha
+    popa
+    clc
+    cld
+    cli
+    clts
+    cmc
+    lahf
+    sahf
+    pushfl
+    popfl
+    pushf
+    popf
+    stc
+    std
+    sti
+    aaa
+    aas
+    daa
+    das
+    aad
+    aam
+    cbw
+    cwd
+    cwde
+    cdq
+    cbtw
+    cwtd
+    cwtl
+    cltd
+    leave
+    int3
+    into
+    iret
+    rsm
+    hlt
+    wait
+    nop
+
+    /* XXX: handle prefixes */
+#if 0
+    aword
+    addr16
+#endif
+    lock
+    rep
+    repe
+    repz
+    repne
+    repnz
+    
+    invd
+    wbinvd
+    cpuid
+    wrmsr
+    rdtsc
+    rdmsr
+    rdpmc
+    ud2
+
+    emms
+    movd %edx, %mm3
+    movd 0x1000, %mm2
+    movd %mm4, %ecx
+    movd %mm5, 0x1000
+                    
+    movq 0x1000, %mm2
+    movq %mm4, 0x1000
+    
+    pand 0x1000, %mm3
+    pand %mm4, %mm5
+    
+    psllw $1, %mm6
+    psllw 0x1000, %mm7
+    psllw %mm2, %mm7
+
+    xlat
+    cmpsb
+    scmpw
+    insl
+    outsw
+    lodsb
+    slodl
+    movsb
+    movsl
+    smovb
+    scasb
+    sscaw
+    stosw
+    sstol
+
+    bsf 0x1000, %ebx
+    bsr 0x1000, %ebx
+    bt %edx, 0x1000
+    btl $2, 0x1000
+    btc %edx, 0x1000
+    btcl $2, 0x1000
+    btr %edx, 0x1000
+    btrl $2, 0x1000
+    bts %edx, 0x1000
+    btsl $2, 0x1000
+
+        
+        
+    boundl %edx, 0x10000
+    boundw %bx, 0x1000
+    
+    arpl %bx, 0x1000
+    lar 0x1000, %eax
+    lgdt 0x1000
+    lidt 0x1000
+    lldt 0x1000
+    lmsw 0x1000
+    lsl 0x1000, %ecx
+    ltr 0x1000
+    
+    sgdt 0x1000
+    sidt 0x1000
+    sldt 0x1000
+    smsw 0x1000
+    str 0x1000
+    
+    verr 0x1000
+    verw 0x1000
+  
+    push %ds
+    pushw %ds
+    pushl %ds
+    pop %ds
+    popw %ds
+    popl %ds
+    fxsave 1(%ebx)
+    fxrstor 1(%ecx)
+    pushl $1
+    pushw $1
+    push $1
diff --git a/tests/boundtest.c b/tests/boundtest.c
new file mode 100644
index 0000000..9bc9828
--- /dev/null
+++ b/tests/boundtest.c
@@ -0,0 +1,214 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#define NB_ITS 1000000
+//#define NB_ITS 1
+#define TAB_SIZE 100
+
+int tab[TAB_SIZE];
+int ret_sum;
+char tab3[256];
+
+int test1(void)
+{
+    int i, sum = 0;
+    for(i=0;i<TAB_SIZE;i++) {
+        sum += tab[i];
+    }
+    return sum;
+}
+
+/* error */
+int test2(void)
+{
+    int i, sum = 0;
+    for(i=0;i<TAB_SIZE + 1;i++) {
+        sum += tab[i];
+    }
+    return sum;
+}
+
+/* actually, profiling test */
+int test3(void)
+{
+    int sum;
+    int i, it;
+
+    sum = 0;
+    for(it=0;it<NB_ITS;it++) {
+        for(i=0;i<TAB_SIZE;i++) {
+            sum += tab[i];
+        }
+    }
+    return sum;
+}
+
+/* ok */
+int test4(void)
+{
+    int i, sum = 0;
+    int *tab4;
+
+    tab4 = malloc(20 * sizeof(int));
+    for(i=0;i<20;i++) {
+        sum += tab4[i];
+    }
+    free(tab4);
+
+    return sum;
+}
+
+/* error */
+int test5(void)
+{
+    int i, sum = 0;
+    int *tab4;
+
+    tab4 = malloc(20 * sizeof(int));
+    for(i=0;i<21;i++) {
+        sum += tab4[i];
+    }
+    free(tab4);
+
+    return sum;
+}
+
+/* error */
+/* XXX: currently: bug */
+int test6(void)
+{
+    int i, sum = 0;
+    int *tab4;
+    
+    tab4 = malloc(20 * sizeof(int));
+    free(tab4);
+    for(i=0;i<21;i++) {
+        sum += tab4[i];
+    }
+
+    return sum;
+}
+
+/* error */
+int test7(void)
+{
+    int i, sum = 0;
+    int *p;
+
+    for(i=0;i<TAB_SIZE + 1;i++) {
+        p = &tab[i];
+        if (i == TAB_SIZE)
+            printf("i=%d %x\n", i, p);
+        sum += *p;
+    }
+    return sum;
+}
+
+/* ok */
+int test8(void)
+{
+    int i, sum = 0;
+    int tab[10];
+
+    for(i=0;i<10;i++) {
+        sum += tab[i];
+    }
+    return sum;
+}
+
+/* error */
+int test9(void)
+{
+    int i, sum = 0;
+    char tab[10];
+
+    for(i=0;i<11;i++) {
+        sum += tab[i];
+    }
+    return sum;
+}
+
+/* ok */
+int test10(void)
+{
+    char tab[10];
+    char tab1[10];
+
+    memset(tab, 0, 10);
+    memcpy(tab, tab1, 10);
+    memmove(tab, tab1, 10);
+    return 0;
+}
+
+/* error */
+int test11(void)
+{
+    char tab[10];
+
+    memset(tab, 0, 11);
+    return 0;
+}
+
+/* error */
+int test12(void)
+{
+    void *ptr;
+    ptr = malloc(10);
+    free(ptr);
+    free(ptr);
+    return 0;
+}
+
+/* error */
+int test13(void)
+{
+    char pad1 = 0;
+    char tab[10];
+    char pad2 = 0;
+    memset(tab, 'a', sizeof(tab));
+    return strlen(tab);
+}
+
+int (*table_test[])(void) = {
+    test1,
+    test1,
+    test2,
+    test3,
+    test4,
+    test5,
+    test6,
+    test7,
+    test8,
+    test9,
+    test10,
+    test11,
+    test12,
+    test13,
+};
+
+int main(int argc, char **argv)
+{
+    int index;
+    int (*ftest)(void);
+
+    if (argc < 2) {
+        printf("usage: boundtest n\n"
+               "test TCC bound checking system\n"
+               );
+        exit(1);
+    }
+
+    index = 0;
+    if (argc >= 2)
+        index = atoi(argv[1]);
+    /* well, we also use bounds on this ! */
+    ftest = table_test[index];
+    ftest();
+
+    return 0;
+}
+
+/*
+ * without bound   0.77 s
+ * with bounds    4.73
+ */  
diff --git a/tests/gcctestsuite.sh b/tests/gcctestsuite.sh
new file mode 100644
index 0000000..bd9204b
--- /dev/null
+++ b/tests/gcctestsuite.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+TESTSUITE_PATH=$HOME/gcc/gcc-3.2/gcc/testsuite/gcc.c-torture
+TCC="./tcc -B. -I. -DNO_TRAMPOLINES" 
+rm -f tcc.sum tcc.log
+nb_failed="0"
+
+for src in $TESTSUITE_PATH/compile/*.c ; do
+  echo $TCC -o /tmp/test.o -c $src 
+  $TCC -o /tmp/test.o -c $src >> tcc.log 2>&1
+  if [ "$?" == "0" ] ; then
+     result="PASS"
+  else
+     result="FAIL"
+     nb_failed=$[ $nb_failed + 1 ]
+  fi
+  echo "$result: $src"  >> tcc.sum
+done
+
+for src in $TESTSUITE_PATH/execute/*.c ; do
+  echo $TCC $src 
+  $TCC $src >> tcc.log 2>&1
+  if [ "$?" == "0" ] ; then
+     result="PASS"
+  else
+     result="FAIL"
+     nb_failed=$[ $nb_failed + 1 ]
+  fi
+  echo "$result: $src"  >> tcc.sum
+done
+
+echo "$nb_failed test(s) failed." >> tcc.sum
+echo "$nb_failed test(s) failed."
diff --git a/tests/libtcc_test.c b/tests/libtcc_test.c
new file mode 100644
index 0000000..a602fb0
--- /dev/null
+++ b/tests/libtcc_test.c
@@ -0,0 +1,84 @@
+/*
+ * Simple Test program for libtcc
+ *
+ * libtcc can be useful to use tcc as a "backend" for a code generator.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "libtcc.h"
+
+/* this function is called by the generated code */
+int add(int a, int b)
+{
+    return a + b;
+}
+
+char my_program[] =
+"int fib(int n)\n"
+"{\n"
+"    if (n <= 2)\n"
+"        return 1;\n"
+"    else\n"
+"        return fib(n-1) + fib(n-2);\n"
+"}\n"
+"\n"
+"int foo(int n)\n"
+"{\n"
+"    printf(\"Hello World!\\n\");\n"
+"    printf(\"fib(%d) = %d\\n\", n, fib(n));\n"
+"    printf(\"add(%d, %d) = %d\\n\", n, 2 * n, add(n, 2 * n));\n"
+"    return 0;\n"
+"}\n";
+
+int main(int argc, char **argv)
+{
+    TCCState *s;
+    int (*func)(int);
+    void *mem;
+    int size;
+
+    s = tcc_new();
+    if (!s) {
+        fprintf(stderr, "Could not create tcc state\n");
+        exit(1);
+    }
+
+    /* if tcclib.h and libtcc1.a are not installed, where can we find them */
+    if (argc == 2 && !memcmp(argv[1], "lib_path=",9))
+        tcc_set_lib_path(s, argv[1]+9);
+
+    /* MUST BE CALLED before any compilation */
+    tcc_set_output_type(s, TCC_OUTPUT_MEMORY);
+
+    if (tcc_compile_string(s, my_program) == -1)
+        return 1;
+
+    /* as a test, we add a symbol that the compiled program can use.
+       You may also open a dll with tcc_add_dll() and use symbols from that */
+    tcc_add_symbol(s, "add", add);
+
+    /* get needed size of the code */
+    size = tcc_relocate(s, NULL);
+    if (size == -1)
+        return 1;
+
+    /* allocate memory and copy the code into it */
+    mem = malloc(size);
+    tcc_relocate(s, mem);
+
+    /* get entry symbol */
+    func = tcc_get_symbol(s, "foo");
+    if (!func)
+        return 1;
+
+    /* delete the state */
+    tcc_delete(s);
+
+    /* run the code */
+    func(32);
+
+    free(mem);
+    return 0;
+}
diff --git a/tests/tcctest.c b/tests/tcctest.c
new file mode 100644
index 0000000..a2d481a
--- /dev/null
+++ b/tests/tcctest.c
@@ -0,0 +1,2202 @@
+/*
+ * TCC auto test program
+ */
+#include "../config.h"
+
+#if GCC_MAJOR >= 3
+
+/* Unfortunately, gcc version < 3 does not handle that! */
+#define ALL_ISOC99
+
+/* only gcc 3 handles _Bool correctly */
+#define BOOL_ISOC99
+
+/* gcc 2.95.3 does not handle correctly CR in strings or after strays */
+#define CORRECT_CR_HANDLING
+
+#endif
+
+/* deprecated and no longer supported in gcc 3.3 */
+//#define ACCEPT_CR_IN_STRINGS
+
+/* __VA_ARGS__ and __func__ support */
+#define C99_MACROS
+
+/* test various include syntaxes */
+
+#define TCCLIB_INC <tcclib.h>
+#define TCCLIB_INC1 <tcclib
+#define TCCLIB_INC2 h>
+#define TCCLIB_INC3 "tcclib"
+
+#include TCCLIB_INC
+
+#include TCCLIB_INC1.TCCLIB_INC2
+
+#include TCCLIB_INC1.h>
+
+/* gcc 3.2 does not accept that (bug ?) */
+//#include TCCLIB_INC3 ".h"
+
+#include <tcclib.h>
+
+#include "tcclib.h"
+
+void string_test();
+void expr_test();
+void macro_test();
+void scope_test();
+void forward_test();
+void funcptr_test();
+void loop_test();
+void switch_test();
+void goto_test();
+void enum_test();
+void typedef_test();
+void struct_test();
+void array_test();
+void expr_ptr_test();
+void bool_test();
+void expr2_test();
+void constant_expr_test();
+void expr_cmp_test();
+void char_short_test();
+void init_test(void);
+void compound_literal_test(void);
+int kr_test();
+void struct_assign_test(void);
+void cast_test(void);
+void bitfield_test(void);
+void c99_bool_test(void);
+void float_test(void);
+void longlong_test(void);
+void manyarg_test(void);
+void stdarg_test(void);
+void whitespace_test(void);
+void relocation_test(void);
+void old_style_function(void);
+void alloca_test(void);
+void sizeof_test(void);
+void typeof_test(void);
+void local_label_test(void);
+void statement_expr_test(void);
+void asm_test(void);
+void builtin_test(void);
+
+int fib(int n);
+void num(int n);
+void forward_ref(void);
+int isid(int c);
+
+#define A 2
+#define N 1234 + A
+#define pf printf
+#define M1(a, b)  (a) + (b)
+
+#define str\
+(s) # s
+#define glue(a, b) a ## b
+#define xglue(a, b) glue(a, b)
+#define HIGHLOW "hello"
+#define LOW LOW ", world"
+
+#define min(a, b) ((a) < (b) ? (a) : (b))
+
+#ifdef C99_MACROS
+#define dprintf(level,...) printf(__VA_ARGS__)
+#endif
+
+/* gcc vararg macros */
+#define dprintf1(level, fmt, args...) printf(fmt, ## args)
+
+#define MACRO_NOARGS()
+
+#define AAA 3
+#undef AAA
+#define AAA 4
+
+#if 1
+#define B3 1
+#elif 1
+#define B3 2
+#elif 0
+#define B3 3
+#else
+#define B3 4
+#endif
+
+#define __INT64_C(c)	c ## LL
+#define INT64_MIN	(-__INT64_C(9223372036854775807)-1)
+
+int qq(int x)
+{
+    return x + 40;
+}
+#define qq(x) x
+
+#define spin_lock(lock) do { } while (0)
+#define wq_spin_lock spin_lock
+#define TEST2() wq_spin_lock(a)
+
+void macro_test(void)
+{
+    printf("macro:\n");

+    pf("N=%d\n", N);
+    printf("aaa=%d\n", AAA);
+
+    printf("min=%d\n", min(1, min(2, -1)));
+
+    printf("s1=%s\n", glue(HIGH, LOW));
+    printf("s2=%s\n", xglue(HIGH, LOW));
+    printf("s3=%s\n", str("c"));
+    printf("s4=%s\n", str(a1));
+    printf("B3=%d\n", B3);
+
+#ifdef A
+    printf("A defined\n");
+#endif
+#ifdef B
+    printf("B defined\n");
+#endif
+#ifdef A
+    printf("A defined\n");
+#else
+    printf("A not defined\n");
+#endif
+#ifdef B
+    printf("B defined\n");
+#else
+    printf("B not defined\n");
+#endif
+
+#ifdef A
+    printf("A defined\n");
+#ifdef B
+    printf("B1 defined\n");
+#else
+    printf("B1 not defined\n");
+#endif
+#else
+    printf("A not defined\n");
+#ifdef B
+    printf("B2 defined\n");
+#else
+    printf("B2 not defined\n");
+#endif
+#endif
+
+#if 1+1
+    printf("test true1\n");
+#endif
+#if 0
+    printf("test true2\n");
+#endif
+#if 1-1
+    printf("test true3\n");
+#endif
+#if defined(A)
+    printf("test trueA\n");
+#endif
+#if defined(B)
+    printf("test trueB\n");
+#endif
+
+#if 0
+    printf("test 0\n");
+#elif 0
+    printf("test 1\n");
+#elif 2
+    printf("test 2\n");
+#else
+    printf("test 3\n");
+#endif
+
+    MACRO_NOARGS();
+
+#ifdef __LINE__
+    printf("__LINE__ defined\n");
+#endif
+
+    printf("__LINE__=%d __FILE__=%s\n",
+           __LINE__, __FILE__);
+#line 200
+    printf("__LINE__=%d __FILE__=%s\n",
+           __LINE__, __FILE__);
+#line 203 "test" 
+    printf("__LINE__=%d __FILE__=%s\n",
+           __LINE__, __FILE__);
+#line 227 "tcctest.c"
+
+    /* not strictly preprocessor, but we test it there */
+#ifdef C99_MACROS
+    printf("__func__ = %s\n", __func__);
+    dprintf(1, "vaarg=%d\n", 1);
+#endif
+    dprintf1(1, "vaarg1\n");
+    dprintf1(1, "vaarg1=%d\n", 2);
+    dprintf1(1, "vaarg1=%d %d\n", 1, 2);
+
+    /* gcc extension */
+    printf("func='%s'\n", __FUNCTION__);
+
+    /* complicated macros in glibc */
+    printf("INT64_MIN=%Ld\n", INT64_MIN);
+    {
+        int a;
+        a = 1;
+        glue(a+, +);
+        printf("a=%d\n", a);
+        glue(a <, <= 2);
+        printf("a=%d\n", a);
+    }
+    
+    /* macro function with argument outside the macro string */
+#define MF_s MF_hello
+#define MF_hello(msg) printf("%s\n",msg)
+
+#define MF_t printf("tralala\n"); MF_hello
+
+    MF_s("hi");
+    MF_t("hi");
+    
+    /* test macro substituion inside args (should not eat stream) */
+    printf("qq=%d\n", qq(qq)(2));
+
+    /* test zero argument case. NOTE: gcc 2.95.x does not accept a
+       null argument without a space. gcc 3.2 fixes that. */
+
+#define qq1(x) 1
+    printf("qq1=%d\n", qq1( ));
+
+    /* comment with stray handling *\
+/
+       /* this is a valid *\/ comment */
+       /* this is a valid comment *\*/
+    //  this is a valid\
+comment
+
+    /* test function macro substitution when the function name is
+       substituted */
+    TEST2();
+}
+
+int op(a,b)
+{
+    return a / b;
+}
+
+int ret(a)
+{
+    if (a == 2)
+        return 1;
+    if (a == 3)
+        return 2;
+    return 0;
+}
+
+void ps(const char *s)
+{
+    int c;
+    while (1) {
+        c = *s;
+        if (c == 0)
+            break;
+        printf("%c", c);
+        s++;
+    }
+}
+
+const char foo1_string[] = "\
+bar\n\
+test\14\
+1";
+
+void string_test()
+{
+    unsigned int b;
+    printf("string:\n");
+    printf("\141\1423\143\n");/* dezdez test */
+    printf("\x41\x42\x43\x3a\n");
+    printf("c=%c\n", 'r');
+    printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
+    printf("foo1_string='%s'\n", foo1_string);
+#if 0
+    printf("wstring=%S\n", L"abc");
+    printf("wstring=%S\n", L"abc" L"def" "ghi");
+    printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
+    printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
+#endif
+    ps("test\n");
+    b = 32;
+    while ((b = b + 1) < 96) {
+        printf("%c", b);
+    }
+    printf("\n");
+    printf("fib=%d\n", fib(33));
+    b = 262144;
+    while (b != 0x80000000) {
+        num(b);
+        b = b * 2;
+    }
+}
+
+void loop_test()
+{
+    int i;
+    i = 0;
+    while (i < 10)
+        printf("%d", i++);
+    printf("\n");
+    for(i = 0; i < 10;i++)
+        printf("%d", i);
+    printf("\n");
+    i = 0;
+    do {
+        printf("%d", i++);
+    } while (i < 10);
+    printf("\n");
+
+    /* break/continue tests */
+    i = 0;
+    while (1) {
+        if (i == 6)
+            break;
+        i++;
+        if (i == 3)
+            continue;
+        printf("%d", i);
+    }
+    printf("\n");
+
+    /* break/continue tests */
+    i = 0;
+    do {
+        if (i == 6)
+            break;
+        i++;
+        if (i == 3)
+            continue;
+        printf("%d", i);
+    } while(1);
+    printf("\n");
+
+    for(i = 0;i < 10;i++) {
+        if (i == 3)
+            continue;
+        printf("%d", i);
+    }
+    printf("\n");
+}
+
+
+void goto_test()
+{
+    int i;
+    static void *label_table[3] = { &&label1, &&label2, &&label3 };
+
+    printf("goto:\n");
+    i = 0;
+ s_loop:
+    if (i >= 10) 
+        goto s_end;
+    printf("%d", i);
+    i++;
+    goto s_loop;
+ s_end:
+    printf("\n");
+
+    /* we also test computed gotos (GCC extension) */
+    for(i=0;i<3;i++) {
+        goto *label_table[i];
+    label1:
+        printf("label1\n");
+        goto next;
+    label2:
+        printf("label2\n");
+        goto next;
+    label3:
+        printf("label3\n");
+    next: ;
+    }
+}
+
+enum {
+    E0,
+    E1 = 2,
+    E2 = 4,
+    E3,
+    E4,
+};
+
+enum test {
+    E5 = 1000,
+};
+
+void enum_test()
+{
+    enum test b1;
+    printf("enum:\n%d %d %d %d %d %d\n",
+           E0, E1, E2, E3, E4, E5);
+    b1 = 1;
+    printf("b1=%d\n", b1);
+}
+
+typedef int *my_ptr;
+
+typedef int mytype1;
+typedef int mytype2;
+
+void typedef_test()
+{
+    my_ptr a;
+    mytype1 mytype2;
+    int b;
+
+    a = &b;
+    *a = 1234;
+    printf("typedef:\n");
+    printf("a=%d\n", *a);
+    mytype2 = 2;
+    printf("mytype2=%d\n", mytype2);
+}
+
+void forward_test()
+{
+    printf("forward:\n");
+    forward_ref();
+    forward_ref();
+}
+
+
+void forward_ref(void)
+{
+    printf("forward ok\n");
+}
+
+typedef struct struct1 {
+    int f1;
+    int f2, f3;
+    union union1 {
+        int v1;
+        int v2;
+    } u;
+    char str[3];
+} struct1;
+
+struct struct2 {
+    int a;
+    char b;
+};
+
+union union2 {
+    int w1;
+    int w2;
+};
+
+struct struct1 st1, st2;
+
+int main(int argc, char **argv)
+{
+    string_test();
+    expr_test();
+    macro_test();
+    scope_test();
+    forward_test();
+    funcptr_test();
+    loop_test();
+    switch_test();
+    goto_test();
+    enum_test();
+    typedef_test();
+    struct_test();
+    array_test();
+    expr_ptr_test();
+    bool_test();
+    expr2_test();
+    constant_expr_test();
+    expr_cmp_test();
+    char_short_test();
+    init_test();
+    compound_literal_test();
+    kr_test();
+    struct_assign_test();
+    cast_test();
+    bitfield_test();
+    c99_bool_test();
+    float_test();
+    longlong_test();
+    manyarg_test();
+    stdarg_test();
+    whitespace_test();
+    relocation_test();
+    old_style_function();
+    alloca_test();
+    sizeof_test();
+    typeof_test();
+    statement_expr_test();
+    local_label_test();
+    asm_test();
+    builtin_test();
+    return 0; 
+}
+
+int tab[3];
+int tab2[3][2];
+
+int g;
+
+void f1(g)
+{
+    printf("g1=%d\n", g);
+}
+
+void scope_test()
+{
+    printf("scope:\n");
+    g = 2;
+    f1(1);
+    printf("g2=%d\n", g);
+    {
+        int g;
+        g = 3;
+        printf("g3=%d\n", g);
+        {
+            int g;
+            g = 4;
+            printf("g4=%d\n", g);
+        }
+    }
+    printf("g5=%d\n", g);
+}
+
+void array_test(int a[4])
+{
+    int i, j;
+
+    printf("array:\n");
+    printf("sizeof(a) = %d\n", sizeof(a));
+    printf("sizeof(\"a\") = %d\n", sizeof("a"));
+#ifdef C99_MACROS
+    printf("sizeof(__func__) = %d\n", sizeof(__func__));
+#endif
+    printf("sizeof tab %d\n", sizeof(tab));
+    printf("sizeof tab2 %d\n", sizeof tab2);
+    tab[0] = 1;
+    tab[1] = 2;
+    tab[2] = 3;
+    printf("%d %d %d\n", tab[0], tab[1], tab[2]);
+    for(i=0;i<3;i++)
+        for(j=0;j<2;j++)
+            tab2[i][j] = 10 * i + j;
+    for(i=0;i<3*2;i++) {
+        printf(" %3d", ((int *)tab2)[i]);
+    }
+    printf("\n");
+}
+
+void expr_test()
+{
+    int a, b;
+    a = 0;
+    printf("%d\n", a += 1);
+    printf("%d\n", a -= 2);
+    printf("%d\n", a *= 31232132);
+    printf("%d\n", a /= 4);
+    printf("%d\n", a %= 20);
+    printf("%d\n", a &= 6);
+    printf("%d\n", a ^= 7);
+    printf("%d\n", a |= 8);
+    printf("%d\n", a >>= 3);
+    printf("%d\n", a <<= 4);
+
+    a = 22321;
+    b = -22321;
+    printf("%d\n", a + 1);
+    printf("%d\n", a - 2);
+    printf("%d\n", a * 312);
+    printf("%d\n", a / 4);
+    printf("%d\n", b / 4);
+    printf("%d\n", (unsigned)b / 4);
+    printf("%d\n", a % 20);
+    printf("%d\n", b % 20);
+    printf("%d\n", (unsigned)b % 20);
+    printf("%d\n", a & 6);
+    printf("%d\n", a ^ 7);
+    printf("%d\n", a | 8);
+    printf("%d\n", a >> 3);
+    printf("%d\n", b >> 3);
+    printf("%d\n", (unsigned)b >> 3);
+    printf("%d\n", a << 4);
+    printf("%d\n", ~a);
+    printf("%d\n", -a);
+    printf("%d\n", +a);
+
+    printf("%d\n", 12 + 1);
+    printf("%d\n", 12 - 2);
+    printf("%d\n", 12 * 312);
+    printf("%d\n", 12 / 4);
+    printf("%d\n", 12 % 20);
+    printf("%d\n", 12 & 6);
+    printf("%d\n", 12 ^ 7);
+    printf("%d\n", 12 | 8);
+    printf("%d\n", 12 >> 2);
+    printf("%d\n", 12 << 4);
+    printf("%d\n", ~12);
+    printf("%d\n", -12);
+    printf("%d\n", +12);
+    printf("%d %d %d %d\n", 
+           isid('a'), 
+           isid('g'), 
+           isid('T'), 
+           isid('('));
+}
+
+int isid(int c)
+{
+    return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
+}
+
+/**********************/
+
+int vstack[10], *vstack_ptr;
+
+void vpush(int vt, int vc)
+{
+    *vstack_ptr++ = vt;
+    *vstack_ptr++ = vc;
+}
+
+void vpop(int *ft, int *fc)
+{
+    *fc = *--vstack_ptr;
+    *ft = *--vstack_ptr;
+}
+
+void expr2_test()
+{
+    int a, b;
+
+    printf("expr2:\n");
+    vstack_ptr = vstack;
+    vpush(1432432, 2);
+    vstack_ptr[-2] &= ~0xffffff80;
+    vpop(&a, &b);
+    printf("res= %d %d\n", a, b);
+}
+
+void constant_expr_test()
+{
+    int a;
+    printf("constant_expr:\n");
+    a = 3;
+    printf("%d\n", a * 16);
+    printf("%d\n", a * 1);
+    printf("%d\n", a + 0);
+}
+
+int tab4[10];
+
+void expr_ptr_test()
+{
+    int *p, *q;
+    int i = -1;
+
+    printf("expr_ptr:\n");
+    p = tab4;
+    q = tab4 + 10;
+    printf("diff=%d\n", q - p);
+    p++;
+    printf("inc=%d\n", p - tab4);
+    p--;
+    printf("dec=%d\n", p - tab4);
+    ++p;
+    printf("inc=%d\n", p - tab4);
+    --p;
+    printf("dec=%d\n", p - tab4);
+    printf("add=%d\n", p + 3 - tab4);
+    printf("add=%d\n", 3 + p - tab4);
+
+    /* check if 64bit support is ok */
+    q = p = 0;
+    q += i;
+    printf("%p %p %ld\n", q, p, p-q);
+    printf("%d %d %d %d %d %d\n",
+           p == q, p != q, p < q, p <= q, p >= q, p > q);
+    i = 0xf0000000;
+    p += i;
+    printf("%p %p %ld\n", q, p, p-q);
+    printf("%d %d %d %d %d %d\n",
+           p == q, p != q, p < q, p <= q, p >= q, p > q);
+    p = (int *)((char *)p + 0xf0000000);
+    printf("%p %p %ld\n", q, p, p-q);
+    printf("%d %d %d %d %d %d\n",
+           p == q, p != q, p < q, p <= q, p >= q, p > q);
+    p += 0xf0000000;
+    printf("%p %p %ld\n", q, p, p-q);
+    printf("%d %d %d %d %d %d\n",
+           p == q, p != q, p < q, p <= q, p >= q, p > q);
+    {
+        struct size12 {
+            int i, j, k;
+        };
+        struct size12 s[2], *sp = s;
+        int i, j;
+        sp->i = 42;
+        sp++;
+        j = -1;
+        printf("%d\n", sp[j].i);
+    }
+}
+
+void expr_cmp_test()
+{
+    int a, b;
+    printf("constant_expr:\n");
+    a = -1;
+    b = 1;
+    printf("%d\n", a == a);
+    printf("%d\n", a != a);
+
+    printf("%d\n", a < b);
+    printf("%d\n", a <= b);
+    printf("%d\n", a <= a);
+    printf("%d\n", b >= a);
+    printf("%d\n", a >= a);
+    printf("%d\n", b > a);
+
+    printf("%d\n", (unsigned)a < b);
+    printf("%d\n", (unsigned)a <= b);
+    printf("%d\n", (unsigned)a <= a);
+    printf("%d\n", (unsigned)b >= a);
+    printf("%d\n", (unsigned)a >= a);
+    printf("%d\n", (unsigned)b > a);
+}
+
+struct empty {
+};
+
+struct aligntest1 {
+    char a[10];
+};
+
+struct aligntest2 {
+    int a;
+    char b[10];
+};
+
+struct aligntest3 {
+    double a, b;
+};
+
+struct aligntest4 {
+    double a[0];
+};
+
+void struct_test()
+{
+    struct1 *s;
+    union union2 u;
+
+    printf("struct:\n");
+    printf("sizes: %d %d %d %d\n",
+           sizeof(struct struct1),
+           sizeof(struct struct2),
+           sizeof(union union1),
+           sizeof(union union2));
+    st1.f1 = 1;
+    st1.f2 = 2;
+    st1.f3 = 3;
+    printf("st1: %d %d %d\n",
+           st1.f1, st1.f2, st1.f3);
+    st1.u.v1 = 1;
+    st1.u.v2 = 2;
+    printf("union1: %d\n", st1.u.v1);
+    u.w1 = 1;
+    u.w2 = 2;
+    printf("union2: %d\n", u.w1);
+    s = &st2;
+    s->f1 = 3;
+    s->f2 = 2;
+    s->f3 = 1;
+    printf("st2: %d %d %d\n",
+           s->f1, s->f2, s->f3);
+    printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
+
+    /* align / size tests */
+    printf("aligntest1 sizeof=%d alignof=%d\n",
+           sizeof(struct aligntest1), __alignof__(struct aligntest1));
+    printf("aligntest2 sizeof=%d alignof=%d\n",
+           sizeof(struct aligntest2), __alignof__(struct aligntest2));
+    printf("aligntest3 sizeof=%d alignof=%d\n",
+           sizeof(struct aligntest3), __alignof__(struct aligntest3));
+    printf("aligntest4 sizeof=%d alignof=%d\n",
+           sizeof(struct aligntest4), __alignof__(struct aligntest4));
+           
+    /* empty structures (GCC extension) */
+    printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
+    printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
+}
+
+/* XXX: depend on endianness */
+void char_short_test()
+{
+    int var1, var2;
+
+    printf("char_short:\n");
+
+    var1 = 0x01020304;
+    var2 = 0xfffefdfc;
+    printf("s8=%d %d\n", 
+           *(char *)&var1, *(char *)&var2);
+    printf("u8=%d %d\n", 
+           *(unsigned char *)&var1, *(unsigned char *)&var2);
+    printf("s16=%d %d\n", 
+           *(short *)&var1, *(short *)&var2);
+    printf("u16=%d %d\n", 
+           *(unsigned short *)&var1, *(unsigned short *)&var2);
+    printf("s32=%d %d\n", 
+           *(int *)&var1, *(int *)&var2);
+    printf("u32=%d %d\n", 
+           *(unsigned int *)&var1, *(unsigned int *)&var2);
+    *(char *)&var1 = 0x08;
+    printf("var1=%x\n", var1);
+    *(short *)&var1 = 0x0809;
+    printf("var1=%x\n", var1);
+    *(int *)&var1 = 0x08090a0b;
+    printf("var1=%x\n", var1);
+}
+
+/******************/
+
+typedef struct Sym {
+    int v;
+    int t;
+    int c;
+    struct Sym *next;
+    struct Sym *prev;
+} Sym;
+
+#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+
+static int toupper1(int a)
+{
+    return TOUPPER(a);
+}
+
+void bool_test()
+{
+    int *s, a, b, t, f, i;
+
+    a = 0;
+    s = (void*)0;
+    printf("!s=%d\n", !s);
+
+    if (!s || !s[0])
+        a = 1;
+    printf("a=%d\n", a);
+
+    printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
+    printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
+    printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
+#if 1 && 1
+    printf("a1\n");
+#endif
+#if 1 || 0
+    printf("a2\n");
+#endif
+#if 1 ? 0 : 1
+    printf("a3\n");
+#endif
+#if 0 ? 0 : 1
+    printf("a4\n");
+#endif
+
+    a = 4;
+    printf("b=%d\n", a + (0 ? 1 : a / 2));
+
+    /* test register spilling */
+    a = 10;
+    b = 10;
+    a = (a + b) * ((a < b) ?
+                   ((b - a) * (a - b)): a + b);
+    printf("a=%d\n", a);
+
+    /* test complex || or && expressions */
+    t = 1;
+    f = 0;
+    a = 32;
+    printf("exp=%d\n", f == (32 <= a && a <= 3));
+    printf("r=%d\n", (t || f) + (t && f));
+
+    /* test ? : cast */
+    {
+        int aspect_on;
+        int aspect_native = 65536;
+        double bfu_aspect = 1.0;
+        int aspect;
+        for(aspect_on = 0; aspect_on < 2; aspect_on++) {
+            aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
+            printf("aspect=%d\n", aspect);
+        }
+    }
+
+    /* test ? : GCC extension */
+    {
+        static int v1 = 34 ? : -1; /* constant case */
+        static int v2 = 0 ? : -1; /* constant case */
+        int a = 30;
+        
+        printf("%d %d\n", v1, v2);
+        printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
+    }
+
+    /* again complex expression */
+    for(i=0;i<256;i++) {
+        if (toupper1 (i) != TOUPPER (i))
+            printf("error %d\n", i);
+    }
+}
+
+/* GCC accepts that */
+static int tab_reinit[];
+static int tab_reinit[10];
+
+//int cinit1; /* a global variable can be defined several times without error ! */
+int cinit1; 
+int cinit1; 
+int cinit1 = 0;
+int *cinit2 = (int []){3, 2, 1};
+
+void compound_literal_test(void)
+{
+    int *p, i;
+    char *q, *q3;
+
+    printf("compound_test:\n");
+
+    p = (int []){1, 2, 3};
+    for(i=0;i<3;i++)
+        printf(" %d", p[i]);
+    printf("\n");
+
+    for(i=0;i<3;i++)
+        printf("%d", cinit2[i]);
+    printf("\n");
+
+    q = "tralala1";
+    printf("q1=%s\n", q);
+
+    q = (char *){ "tralala2" };
+    printf("q2=%s\n", q);
+
+    q3 = (char *){ q };
+    printf("q3=%s\n", q3);
+
+    q = (char []){ "tralala3" };
+    printf("q4=%s\n", q);
+
+#ifdef ALL_ISOC99
+    p = (int []){1, 2, cinit1 + 3};
+    for(i=0;i<3;i++)
+        printf(" %d", p[i]);
+    printf("\n");
+
+    for(i=0;i<3;i++) {
+        p = (int []){1, 2, 4 + i};
+        printf("%d %d %d\n", 
+               p[0],
+               p[1],
+               p[2]);
+    }
+#endif
+}
+
+/* K & R protos */
+
+kr_func1(a, b)
+{
+    return a + b;
+}
+
+int kr_func2(a, b)
+{
+    return a + b;
+}
+
+kr_test()
+{
+    printf("kr_test:\n");
+    printf("func1=%d\n", kr_func1(3, 4));
+    printf("func2=%d\n", kr_func2(3, 4));
+    return 0;
+}
+
+void num(int n)
+{
+    char *tab, *p;
+    tab = (char*)malloc(20); 
+    p = tab;
+    while (1) {
+        *p = 48 + (n % 10);
+        p++;
+        n = n / 10;
+        if (n == 0)
+            break;
+    }
+    while (p != tab) {
+        p--;
+        printf("%c", *p);
+    }
+    printf("\n");
+}
+
+/* structure assignment tests */
+struct structa1 {
+    int f1;
+    char f2;
+};
+
+struct structa1 ssta1;
+
+void struct_assign_test1(struct structa1 s1, int t)
+{
+    printf("%d %d %d\n", s1.f1, s1.f2, t);
+}
+
+struct structa1 struct_assign_test2(struct structa1 s1, int t)
+{
+    s1.f1 += t;
+    s1.f2 -= t;
+    return s1;
+}
+
+void struct_assign_test(void)
+{
+    struct structa1 lsta1, lsta2;
+    
+#if 0
+    printf("struct_assign_test:\n");
+
+    lsta1.f1 = 1;
+    lsta1.f2 = 2;
+    printf("%d %d\n", lsta1.f1, lsta1.f2);
+    lsta2 = lsta1;
+    printf("%d %d\n", lsta2.f1, lsta2.f2);
+#else
+    lsta2.f1 = 1;
+    lsta2.f2 = 2;
+#endif
+    struct_assign_test1(lsta2, 3);
+    
+    printf("before call: %d %d\n", lsta2.f1, lsta2.f2);
+    lsta2 = struct_assign_test2(lsta2, 4);
+    printf("after call: %d %d\n", lsta2.f1, lsta2.f2);
+}
+
+/* casts to short/char */
+
+void cast1(char a, short b, unsigned char c, unsigned short d)
+{
+    printf("%d %d %d %d\n", a, b, c, d);
+}
+
+char bcast;
+short scast;
+
+void cast_test()
+{
+    int a;
+    char c;
+    char tab[10];
+    unsigned b,d;
+    short s;
+    char *p = NULL;
+    p -= 0x700000000042;
+
+    printf("cast_test:\n");
+    a = 0xfffff;
+    cast1(a, a, a, a);
+    a = 0xffffe;
+    printf("%d %d %d %d\n",
+           (char)(a + 1),
+           (short)(a + 1),
+           (unsigned char)(a + 1),
+           (unsigned short)(a + 1));
+    printf("%d %d %d %d\n",
+           (char)0xfffff,
+           (short)0xfffff,
+           (unsigned char)0xfffff,
+           (unsigned short)0xfffff);
+
+    a = (bcast = 128) + 1;
+    printf("%d\n", a);
+    a = (scast = 65536) + 1;
+    printf("%d\n", a);
+    
+    printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
+    
+    /* test cast from unsigned to signed short to int */
+    b = 0xf000;
+    d = (short)b;
+    printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
+    b = 0xf0f0;
+    d = (char)b;
+    printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
+    
+    /* test implicit int casting for array accesses */
+    c = 0;
+    tab[1] = 2;
+    tab[c] = 1;
+    printf("%d %d\n", tab[0], tab[1]);
+
+    /* test implicit casting on some operators */
+    printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
+    printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
+    printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
+
+    /* from pointer to integer types */
+    printf("%d %d %ld %ld %lld %lld\n",
+           (int)p, (unsigned int)p,
+           (long)p, (unsigned long)p,
+           (long long)p, (unsigned long long)p);
+
+    /* from integers to pointers */
+    printf("%p %p %p %p\n",
+           (void *)a, (void *)b, (void *)c, (void *)d);
+}
+
+/* initializers tests */
+struct structinit1 {
+    int f1;
+    char f2;
+    short f3;
+    int farray[3];
+};
+
+int sinit1 = 2;
+int sinit2 = { 3 };
+int sinit3[3] = { 1, 2, {{3}}, };
+int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
+int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
+int sinit6[] = { 1, 2, 3 };
+int sinit7[] = { [2] = 3, [0] = 1, 2 };
+char sinit8[] = "hello" "trala";
+
+struct structinit1 sinit9 = { 1, 2, 3 };
+struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
+struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1, 
+#ifdef ALL_ISOC99
+                               .farray[0] = 10,
+                               .farray[1] = 11,
+                               .farray[2] = 12,
+#endif
+};
+
+char *sinit12 = "hello world";
+char *sinit13[] = {
+    "test1",
+    "test2",
+    "test3",
+};
+char sinit14[10] = { "abc" };
+int sinit15[3] = { sizeof(sinit15), 1, 2 };
+
+struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
+
+struct bar {
+        char *s;
+        int len;
+} sinit17[] = {
+        "a1", 4,
+        "a2", 1
+};
+
+int sinit18[10] = {
+    [2 ... 5] = 20,
+    2,
+    [8] = 10,
+};
+
+void init_test(void)
+{
+    int linit1 = 2;
+    int linit2 = { 3 };
+    int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
+    int linit6[] = { 1, 2, 3 };
+    int i, j;
+    char linit8[] = "hello" "trala";
+    int linit12[10] = { 1, 2 };
+    int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
+    char linit14[10] = "abc";
+    int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
+    struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
+    int linit17 = sizeof(linit17);
+    
+    printf("init_test:\n");
+
+    printf("sinit1=%d\n", sinit1);
+    printf("sinit2=%d\n", sinit2);
+    printf("sinit3=%d %d %d %d\n", 
+           sizeof(sinit3),
+           sinit3[0],
+           sinit3[1],
+           sinit3[2]
+           );
+    printf("sinit6=%d\n", sizeof(sinit6));
+    printf("sinit7=%d %d %d %d\n", 
+           sizeof(sinit7),
+           sinit7[0],
+           sinit7[1],
+           sinit7[2]
+           );
+    printf("sinit8=%s\n", sinit8);
+    printf("sinit9=%d %d %d\n", 
+           sinit9.f1,
+           sinit9.f2,
+           sinit9.f3
+           );
+    printf("sinit10=%d %d %d\n", 
+           sinit10.f1,
+           sinit10.f2,
+           sinit10.f3
+           );
+    printf("sinit11=%d %d %d %d %d %d\n", 
+           sinit11.f1,
+           sinit11.f2,
+           sinit11.f3,
+           sinit11.farray[0],
+           sinit11.farray[1],
+           sinit11.farray[2]
+           );
+
+    for(i=0;i<3;i++)
+        for(j=0;j<2;j++)
+            printf("[%d][%d] = %d %d %d\n", 
+                   i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
+    printf("linit1=%d\n", linit1);
+    printf("linit2=%d\n", linit2);
+    printf("linit6=%d\n", sizeof(linit6));
+    printf("linit8=%d %s\n", sizeof(linit8), linit8);
+
+    printf("sinit12=%s\n", sinit12);
+    printf("sinit13=%d %s %s %s\n",
+           sizeof(sinit13), 
+           sinit13[0],
+           sinit13[1],
+           sinit13[2]);
+    printf("sinit14=%s\n", sinit14);
+
+    for(i=0;i<10;i++) printf(" %d", linit12[i]);
+    printf("\n");
+    for(i=0;i<10;i++) printf(" %d", linit13[i]);
+    printf("\n");
+    for(i=0;i<10;i++) printf(" %d", linit14[i]);
+    printf("\n");
+    for(i=0;i<10;i++) printf(" %d", linit15[i]);
+    printf("\n");
+    printf("%d %d %d %d\n", 
+           linit16.a1,
+           linit16.a2,
+           linit16.a3,
+           linit16.a4);
+    /* test that initialisation is done after variable declare */
+    printf("linit17=%d\n", linit17);
+    printf("sinit15=%d\n", sinit15[0]);
+    printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
+    printf("sinit17=%s %d %s %d\n",
+           sinit17[0].s, sinit17[0].len,
+           sinit17[1].s, sinit17[1].len);
+    for(i=0;i<10;i++)
+        printf("%x ", sinit18[i]);
+    printf("\n");
+}
+
+
+void switch_test()
+{
+    int i;
+
+    for(i=0;i<15;i++) {
+        switch(i) {
+        case 0:
+        case 1:
+            printf("a");
+            break;
+        default:
+            printf("%d", i);
+            break;
+        case 8 ... 12:
+            printf("c");
+            break;
+        case 3:
+            printf("b");
+            break;
+        }
+    }
+    printf("\n");
+}
+
+/* ISOC99 _Bool type */
+void c99_bool_test(void)
+{
+#ifdef BOOL_ISOC99
+    int a;
+    _Bool b;
+
+    printf("bool_test:\n");
+    printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
+    a = 3;
+    printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
+    b = 3;
+    printf("b = %d\n", b);
+    b++;
+    printf("b = %d\n", b);
+#endif
+}
+
+void bitfield_test(void)
+{
+    int a;
+    struct sbf1 {
+        int f1 : 3;
+        int : 2;
+        int f2 : 1;
+        int : 0;
+        int f3 : 5;
+        int f4 : 7;
+        unsigned int f5 : 7;
+    } st1;
+    printf("bitfield_test:");
+    printf("sizeof(st1) = %d\n", sizeof(st1));
+
+    st1.f1 = 3;
+    st1.f2 = 1;
+    st1.f3 = 15;
+    a = 120;
+    st1.f4 = a;
+    st1.f5 = a;
+    st1.f5++;
+    printf("%d %d %d %d %d\n",
+           st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
+
+    st1.f1 = 7;
+    if (st1.f1 == -1) 
+        printf("st1.f1 == -1\n");
+    else 
+        printf("st1.f1 != -1\n");
+    if (st1.f2 == -1) 
+        printf("st1.f2 == -1\n");
+    else 
+        printf("st1.f2 != -1\n");
+
+    /* bit sizes below must be bigger than 32 since GCC doesn't allow
+       long-long bitfields whose size is not bigger than int */
+    struct sbf2 {
+        long long f1 : 45;
+        long long : 2;
+        long long f2 : 35;
+        unsigned long long f3 : 38;
+    } st2;
+    st2.f1 = 0x123456789ULL;
+    a = 120;
+    st2.f2 = (long long)a << 25;
+    st2.f3 = a;
+    st2.f2++;
+    printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
+}
+
+#ifdef __x86_64__
+#define FLOAT_FMT "%f\n"
+#else
+/* x86's float isn't compatible with GCC */
+#define FLOAT_FMT "%.5f\n"
+#endif
+
+/* declare strto* functions as they are C99 */
+double strtod(const char *nptr, char **endptr);
+float strtof(const char *nptr, char **endptr);
+long double strtold(const char *nptr, char **endptr);
+
+#define FTEST(prefix, type, fmt)\
+void prefix ## cmp(type a, type b)\
+{\
+    printf("%d %d %d %d %d %d\n",\
+           a == b,\
+           a != b,\
+           a < b,\
+           a > b,\
+           a >= b,\
+           a <= b);\
+    printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
+           a,\
+           b,\
+           a + b,\
+           a - b,\
+           a * b,\
+           a / b,\
+           -a);\
+    printf(fmt "\n", ++a);\
+    printf(fmt "\n", a++);\
+    printf(fmt "\n", a);\
+    b = 0;\
+    printf("%d %d\n", !a, !b);\
+}\
+void prefix ## fcast(type a)\
+{\
+    float fa;\
+    double da;\
+    long double la;\
+    int ia;\
+    unsigned int ua;\
+    type b;\
+    fa = a;\
+    da = a;\
+    la = a;\
+    printf("ftof: %f %f %Lf\n", fa, da, la);\
+    ia = (int)a;\
+    ua = (unsigned int)a;\
+    printf("ftoi: %d %u\n", ia, ua);\
+    ia = -1234;\
+    ua = 0x81234500;\
+    b = ia;\
+    printf("itof: " fmt "\n", b);\
+    b = ua;\
+    printf("utof: " fmt "\n", b);\
+}\
+\
+float prefix ## retf(type a) { return a; }\
+double prefix ## retd(type a) { return a; }\
+long double prefix ## retld(type a) { return a; }\
+\
+void prefix ## call(void)\
+{\
+    printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
+    printf("double: %f\n", prefix ## retd(42.123456789));\
+    printf("long double: %Lf\n", prefix ## retld(42.123456789));\
+    printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
+}\
+\
+void prefix ## test(void)\
+{\
+    printf("testing '%s'\n", #type);\
+    prefix ## cmp(1, 2.5);\
+    prefix ## cmp(2, 1.5);\
+    prefix ## cmp(1, 1);\
+    prefix ## fcast(234.6);\
+    prefix ## fcast(-2334.6);\
+    prefix ## call();\
+}
+
+FTEST(f, float, "%f")
+FTEST(d, double, "%f")
+FTEST(ld, long double, "%Lf")
+
+double ftab1[3] = { 1.2, 3.4, -5.6 };
+
+
+void float_test(void)
+{
+    float fa, fb;
+    double da, db;
+    int a;
+    unsigned int b;
+
+    printf("float_test:\n");
+    printf("sizeof(float) = %d\n", sizeof(float));
+    printf("sizeof(double) = %d\n", sizeof(double));
+    printf("sizeof(long double) = %d\n", sizeof(long double));
+    ftest();
+    dtest();
+    ldtest();
+    printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
+    printf("%f %f %f\n", 2.12, .5, 2.3e10);
+    //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
+    da = 123;
+    printf("da=%f\n", da);
+    fa = 123;
+    printf("fa=%f\n", fa);
+    a = 4000000000;
+    da = a;
+    printf("da = %f\n", da);
+    b = 4000000000;
+    db = b;
+    printf("db = %f\n", db);
+}
+
+int fib(int n)
+{
+    if (n <= 2)
+        return 1;
+    else
+        return fib(n-1) + fib(n-2);
+}
+
+void funcptr_test()
+{
+    void (*func)(int);
+    int a;
+    struct {
+        int dummy;
+        void (*func)(int);
+    } st1;
+
+    printf("funcptr:\n");
+    func = &num;
+    (*func)(12345);
+    func = num;
+    a = 1;
+    a = 1;
+    func(12345);
+    /* more complicated pointer computation */
+    st1.func = num;
+    st1.func(12346);
+    printf("sizeof1 = %d\n", sizeof(funcptr_test));
+    printf("sizeof2 = %d\n", sizeof funcptr_test);
+    printf("sizeof3 = %d\n", sizeof(&funcptr_test));
+    printf("sizeof4 = %d\n", sizeof &funcptr_test);
+}
+
+void lloptest(long long a, long long b)
+{
+    unsigned long long ua, ub;
+
+    ua = a;
+    ub = b;
+    /* arith */
+    printf("arith: %Ld %Ld %Ld\n",
+           a + b,
+           a - b,
+           a * b);
+    
+    if (b != 0) {
+        printf("arith1: %Ld %Ld\n",
+           a / b,
+           a % b);
+    }
+
+    /* binary */
+    printf("bin: %Ld %Ld %Ld\n",
+           a & b,
+           a | b,
+           a ^ b);
+
+    /* tests */
+    printf("test: %d %d %d %d %d %d\n",
+           a == b,
+           a != b,
+           a < b,
+           a > b,
+           a >= b,
+           a <= b);
+    
+    printf("utest: %d %d %d %d %d %d\n",
+           ua == ub,
+           ua != ub,
+           ua < ub,
+           ua > ub,
+           ua >= ub,
+           ua <= ub);
+
+    /* arith2 */
+    a++;
+    b++;
+    printf("arith2: %Ld %Ld\n", a, b);
+    printf("arith2: %Ld %Ld\n", a++, b++);
+    printf("arith2: %Ld %Ld\n", --a, --b);
+    printf("arith2: %Ld %Ld\n", a, b);
+    b = ub = 0;
+    printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
+}
+
+void llshift(long long a, int b)
+{
+    printf("shift: %Ld %Ld %Ld\n",
+           (unsigned long long)a >> b,
+           a >> b,
+           a << b);
+    printf("shiftc: %Ld %Ld %Ld\n",
+           (unsigned long long)a >> 3,
+           a >> 3,
+           a << 3);
+    printf("shiftc: %Ld %Ld %Ld\n",
+           (unsigned long long)a >> 35,
+           a >> 35,
+           a << 35);
+}
+
+void llfloat(void)
+{
+    float fa;
+    double da;
+    long double lda;
+    long long la, lb, lc;
+    unsigned long long ula, ulb, ulc;
+    la = 0x12345678;
+    ula = 0x72345678;
+    la = (la << 20) | 0x12345;
+    ula = ula << 33;
+    printf("la=%Ld ula=%Lu\n", la, ula);
+
+    fa = la;
+    da = la;
+    lda = la;
+    printf("lltof: %f %f %Lf\n", fa, da, lda);
+
+    la = fa;
+    lb = da;
+    lc = lda;
+    printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
+
+    fa = ula;
+    da = ula;
+    lda = ula;
+    printf("ulltof: %f %f %Lf\n", fa, da, lda);
+
+    ula = fa;
+    ulb = da;
+    ulc = lda;
+    printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
+}
+
+long long llfunc1(int a)
+{
+    return a * 2;
+}
+
+struct S {
+    int id; 
+    char item;
+};
+
+long long int value(struct S *v)
+{
+    return ((long long int)v->item);
+}
+
+void longlong_test(void)
+{
+    long long a, b, c;
+    int ia;
+    unsigned int ua;
+    printf("longlong_test:\n");
+    printf("sizeof(long long) = %d\n", sizeof(long long));
+    ia = -1;
+    ua = -2;
+    a = ia;
+    b = ua;
+    printf("%Ld %Ld\n", a, b);
+    printf("%Ld %Ld %Ld %Lx\n", 
+           (long long)1, 
+           (long long)-2,
+           1LL,
+           0x1234567812345679);
+    a = llfunc1(-3);
+    printf("%Ld\n", a);
+
+    lloptest(1000, 23);
+    lloptest(0xff, 0x1234);
+    b = 0x72345678 << 10;
+    lloptest(-3, b);
+    llshift(0x123, 5);
+    llshift(-23, 5);
+    b = 0x72345678LL << 10;
+    llshift(b, 47);
+
+    llfloat();
+#if 1
+    b = 0x12345678;
+    a = -1;
+    c = a + b;
+    printf("%Lx\n", c);
+#endif
+
+    /* long long reg spill test */
+    {
+          struct S a;
+
+          a.item = 3;
+          printf("%lld\n", value(&a));
+    }
+    lloptest(0x80000000, 0);
+
+    /* another long long spill test */
+    {
+        long long *p, v;
+        v = 1;
+        p = &v;
+        p[0]++;
+        printf("%lld\n", *p);
+    }
+
+    a = 68719476720LL;
+    b = 4294967295LL;
+    printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
+
+    printf("%Ld\n", 0x123456789LLU);
+}
+
+void manyarg_test(void)
+{
+    long double ld = 1234567891234LL;
+    printf("manyarg_test:\n");
+    printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
+           1, 2, 3, 4, 5, 6, 7, 8,
+           0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
+    printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
+           "%Ld %Ld %f %f\n",
+           1, 2, 3, 4, 5, 6, 7, 8,
+           0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
+           1234567891234LL, 987654321986LL,
+           42.0, 43.0);
+    printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
+           "%Ld %Ld %f %f\n",
+           ld, 1, 2, 3, 4, 5, 6, 7, 8,
+           0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
+           1234567891234LL, 987654321986LL,
+           42.0, 43.0);
+    /* XXX: known bug of x86-64 */
+#ifndef __x86_64__
+    printf("%d %d %d %d %d %d %d %d %Lf\n",
+           1, 2, 3, 4, 5, 6, 7, 8, ld);
+    printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
+           "%Ld %Ld %f %f %Lf\n",
+           1, 2, 3, 4, 5, 6, 7, 8,
+           0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
+           1234567891234LL, 987654321986LL,
+           42.0, 43.0, ld);
+    printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
+           "%Lf %Ld %Ld %f %f %Lf\n",
+           1, 2, 3, 4, 5, 6, 7, 8,
+           0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
+           ld, 1234567891234LL, 987654321986LL,
+           42.0, 43.0, ld);
+#endif
+}
+
+void vprintf1(const char *fmt, ...)
+{
+    va_list ap;
+    const char *p;
+    int c, i;
+    double d;
+    long long ll;
+    long double ld;
+
+    va_start(ap, fmt);
+    
+    p = fmt;
+    for(;;) {
+        c = *p;
+        if (c == '\0')
+            break;
+        p++;
+        if (c == '%') {
+            c = *p;
+            switch(c) {
+            case '\0':
+                goto the_end;
+            case 'd':
+                i = va_arg(ap, int);
+                printf("%d", i);
+                break;
+            case 'f':
+                d = va_arg(ap, double);
+                printf("%f", d);
+                break;
+            case 'l':
+                ll = va_arg(ap, long long);
+                printf("%Ld", ll);
+                break;
+            case 'F':
+                ld = va_arg(ap, long double);
+                printf("%Lf", ld);
+                break;
+            }
+            p++;
+        } else {
+            putchar(c);
+        }
+    }
+ the_end:
+    va_end(ap);
+}
+
+
+void stdarg_test(void)
+{
+    long double ld = 1234567891234LL;
+    vprintf1("%d %d %d\n", 1, 2, 3);
+    vprintf1("%f %d %f\n", 1.0, 2, 3.0);
+    vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
+    vprintf1("%F %F %F\n", 1.2L, 2.3L, 3.4L);
+#ifdef __x86_64__
+    /* a bug of x86's TCC */
+    vprintf1("%d %f %l %F %d %f %l %F\n",
+             1, 1.2, 3L, 4.5L, 6, 7.8, 9L, 0.1L);
+#endif
+    vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
+             1, 2, 3, 4, 5, 6, 7, 8,
+             0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
+    vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
+             1, 2, 3, 4, 5, 6, 7, 8,
+             0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
+    vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
+             "%l %l %f %f\n",
+             1, 2, 3, 4, 5, 6, 7, 8,
+             0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
+             1234567891234LL, 987654321986LL,
+             42.0, 43.0);
+    vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
+             "%l %l %f %f\n",
+             ld, 1, 2, 3, 4, 5, 6, 7, 8,
+             0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
+             1234567891234LL, 987654321986LL,
+             42.0, 43.0);
+    vprintf1("%d %d %d %d %d %d %d %d %F\n",
+             1, 2, 3, 4, 5, 6, 7, 8, ld);
+    vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
+             "%l %l %f %f %F\n",
+             1, 2, 3, 4, 5, 6, 7, 8,
+             0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
+             1234567891234LL, 987654321986LL,
+             42.0, 43.0, ld);
+    vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
+             "%F %l %l %f %f %F\n",
+             1, 2, 3, 4, 5, 6, 7, 8,
+             0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
+             ld, 1234567891234LL, 987654321986LL,
+             42.0, 43.0, ld);
+}
+
+void whitespace_test(void)
+{
+    char *str;
+
+
#if 1
+    pri\
+ntf("whitspace:\n");

+#endif
+    pf("N=%d\n", 2);
+
+#ifdef CORRECT_CR_HANDLING
+    pri\

+ntf("aaa=%d\n", 3);
+#endif
+
+    pri\
+\
+ntf("min=%d\n", 4);
+
+#ifdef ACCEPT_CR_IN_STRINGS
+    printf("len1=%d\n", strlen("
+"));
+#ifdef CORRECT_CR_HANDLING
+    str = "

+";
+    printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
+#endif
+    printf("len1=%d\n", strlen("
a
+"));
+#endif /* ACCEPT_CR_IN_STRINGS */
+}
+
+int reltab[3] = { 1, 2, 3 };
+
+int *rel1 = &reltab[1];
+int *rel2 = &reltab[2];
+
+void relocation_test(void)
+{
+    printf("*rel1=%d\n", *rel1);
+    printf("*rel2=%d\n", *rel2);
+}
+
+void old_style_f(a,b,c)
+     int a, b;
+     double c;
+{
+    printf("a=%d b=%d b=%f\n", a, b, c);
+}
+
+void decl_func1(int cmpfn())
+{
+    printf("cmpfn=%lx\n", (long)cmpfn);
+}
+
+void decl_func2(cmpfn)
+int cmpfn();
+{
+    printf("cmpfn=%lx\n", (long)cmpfn);
+}
+
+void old_style_function(void)
+{
+    old_style_f((void *)1, 2, 3.0);
+    decl_func1(NULL);
+    decl_func2(NULL);
+}
+
+void alloca_test()
+{
+#if defined __i386__ || defined __x86_64__
+    char *p = alloca(16);
+    strcpy(p,"123456789012345");
+    printf("alloca: p is %s\n", p);
+    char *demo = "This is only a test.\n";
+    /* Test alloca embedded in a larger expression */
+    printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
+#endif
+}
+
+void sizeof_test(void)
+{
+    int a;
+    int **ptr;
+
+    printf("sizeof(int) = %d\n", sizeof(int));
+    printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
+    printf("sizeof(long) = %d\n", sizeof(long));
+    printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
+    printf("sizeof(short) = %d\n", sizeof(short));
+    printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
+    printf("sizeof(char) = %d\n", sizeof(char));
+    printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
+    printf("sizeof(func) = %d\n", sizeof sizeof_test());
+    a = 1;
+    printf("sizeof(a++) = %d\n", sizeof a++);
+    printf("a=%d\n", a);
+    ptr = NULL;
+    printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
+
+    /* some alignof tests */
+    printf("__alignof__(int) = %d\n", __alignof__(int));
+    printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
+    printf("__alignof__(short) = %d\n", __alignof__(short));
+    printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
+    printf("__alignof__(char) = %d\n", __alignof__(char));
+    printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
+    printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
+}
+
+void typeof_test(void)
+{
+    double a;
+    typeof(a) b;
+    typeof(float) c;
+
+    a = 1.5;
+    b = 2.5;
+    c = 3.5;
+    printf("a=%f b=%f c=%f\n", a, b, c);
+}
+
+void statement_expr_test(void)
+{
+    int a, i;
+
+    a = 0;
+    for(i=0;i<10;i++) {
+        a += 1 + 
+            ( { int b, j; 
+                b = 0; 
+                for(j=0;j<5;j++) 
+                    b += j; b; 
+            } );
+    }
+    printf("a=%d\n", a);
+    
+}
+
+void local_label_test(void)
+{
+    int a;
+    goto l1;
+ l2:
+    a = 1 + ({
+        __label__ l1, l2, l3, l4;
+        goto l1;
+    l4:
+        printf("aa1\n");
+        goto l3;
+    l2:
+        printf("aa3\n");
+        goto l4;
+    l1:
+        printf("aa2\n");
+        goto l2;
+    l3:;
+        1;
+    });
+    printf("a=%d\n", a);
+    return;
+ l4:
+    printf("bb1\n");
+    goto l2;
+ l1:
+    printf("bb2\n");
+    goto l4;
+}
+
+/* inline assembler test */
+#ifdef __i386__
+
+/* from linux kernel */
+static char * strncat1(char * dest,const char * src,size_t count)
+{
+int d0, d1, d2, d3;
+__asm__ __volatile__(
+	"repne\n\t"
+	"scasb\n\t"
+	"decl %1\n\t"
+	"movl %8,%3\n"
+	"1:\tdecl %3\n\t"
+	"js 2f\n\t"
+	"lodsb\n\t"
+	"stosb\n\t"
+	"testb %%al,%%al\n\t"
+	"jne 1b\n"
+	"2:\txorl %2,%2\n\t"
+	"stosb"
+	: "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
+	: "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
+	: "memory");
+return dest;
+}
+
+static inline void * memcpy1(void * to, const void * from, size_t n)
+{
+int d0, d1, d2;
+__asm__ __volatile__(
+	"rep ; movsl\n\t"
+	"testb $2,%b4\n\t"
+	"je 1f\n\t"
+	"movsw\n"
+	"1:\ttestb $1,%b4\n\t"
+	"je 2f\n\t"
+	"movsb\n"
+	"2:"
+	: "=&c" (d0), "=&D" (d1), "=&S" (d2)
+	:"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
+	: "memory");
+return (to);
+}
+
+static __inline__ void sigaddset1(unsigned int *set, int _sig)
+{
+	__asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
+}
+
+static __inline__ void sigdelset1(unsigned int *set, int _sig)
+{
+	asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
+}
+
+static __inline__ __const__ unsigned int swab32(unsigned int x)
+{
+	__asm__("xchgb %b0,%h0\n\t"	/* swap lower bytes	*/
+		"rorl $16,%0\n\t"	/* swap words		*/
+		"xchgb %b0,%h0"		/* swap higher bytes	*/
+		:"=q" (x)
+		: "0" (x));
+	return x;
+}
+
+static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
+{
+    unsigned long long res;
+    __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
+    return res;
+}
+
+static __inline__ unsigned long long inc64(unsigned long long a)
+{
+    unsigned long long res;
+    __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
+    return res;
+}
+
+unsigned int set;
+
+void asm_test(void)
+{
+    char buf[128];
+    unsigned int val;
+
+    printf("inline asm:\n");
+    /* test the no operand case */
+    asm volatile ("xorl %eax, %eax");
+
+    memcpy1(buf, "hello", 6);
+    strncat1(buf, " worldXXXXX", 3);
+    printf("%s\n", buf);
+
+    /* 'A' constraint test */
+    printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
+    printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
+
+    set = 0xff;
+    sigdelset1(&set, 2);
+    sigaddset1(&set, 16);
+    /* NOTE: we test here if C labels are correctly restored after the
+       asm statement */
+    goto label1;
+ label2:
+    __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
+#ifdef __GNUC__ // works strange with GCC 4.3
+    set=0x1080fd;
+#endif
+    printf("set=0x%x\n", set);
+    val = 0x01020304;
+    printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
+    return;
+ label1:
+    goto label2;
+}
+
+#else
+
+void asm_test(void)
+{
+}
+
+#endif
+
+#define COMPAT_TYPE(type1, type2) \
+{\
+    printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
+           __builtin_types_compatible_p (type1, type2));\
+}
+
+int constant_p_var;
+
+void builtin_test(void)
+{
+#if GCC_MAJOR >= 3
+    COMPAT_TYPE(int, int);
+    COMPAT_TYPE(int, unsigned int);
+    COMPAT_TYPE(int, char);
+    COMPAT_TYPE(int, const int);
+    COMPAT_TYPE(int, volatile int);
+    COMPAT_TYPE(int *, int *);
+    COMPAT_TYPE(int *, void *);
+    COMPAT_TYPE(int *, const int *);
+    COMPAT_TYPE(char *, unsigned char *);
+/* space is needed because tcc preprocessor introduces a space between each token */
+    COMPAT_TYPE(char * *, void *); 
+#endif
+    printf("res = %d\n", __builtin_constant_p(1));
+    printf("res = %d\n", __builtin_constant_p(1 + 2));
+    printf("res = %d\n", __builtin_constant_p(&constant_p_var));
+    printf("res = %d\n", __builtin_constant_p(constant_p_var));
+}
+
+
+void const_func(const int a)
+{
+}
+
+void const_warn_test(void)
+{
+    const_func(1);
+}