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authorManoj Srivastava <srivasta@golden-gryphon.com>2014-04-27 17:54:01 -0700
committerManoj Srivastava <srivasta@golden-gryphon.com>2014-04-27 17:54:01 -0700
commit8f5e5726134ce5b4bd436b16f367796d851df553 (patch)
tree0ce2ad130721dcf917d7f81fb8495bf0a189d266 /mcon/U/d_built_bswap64.U
parent02bf7be6fc0f798790ef5b2160bc89a77b909428 (diff)
Imported Upstream version 3.5-36
Diffstat (limited to 'mcon/U/d_built_bswap64.U')
-rw-r--r--mcon/U/d_built_bswap64.U35
1 files changed, 35 insertions, 0 deletions
diff --git a/mcon/U/d_built_bswap64.U b/mcon/U/d_built_bswap64.U
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+?RCS:
+?RCS: Copyright (c) 2013 Raphael Manfredi
+?RCS:
+?RCS: You may redistribute only under the terms of the Artistic License,
+?RCS: as specified in the README file that comes with the distribution.
+?RCS: You may reuse parts of this distribution only within the terms of
+?RCS: that same Artistic License; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
+?RCS:
+?MAKE:d_built_bswap64: Trylink cat
+?MAKE: -pick add $@ %<
+?S:d_built_bswap64:
+?S: This variable conditionally defines the HAS_BUILTIN_BSWAP64 symbol, which
+?S: indicates to the C program that __builtin_bswap64 is available.
+?S:.
+?C:HAS_BUILTIN_BSWAP64:
+?C: This symbol, if defined, indicates that __builtin_bswap64 routine is
+?C: available to byte-swap a 64-bit value (little <-> big endian).
+?C:.
+?H:#$d_built_bswap64 HAS_BUILTIN_BSWAP64 /**/
+?H:.
+?LINT:set d_built_bswap64
+: check for __builtin_bswap64
+$cat >try.c <<EOC
+int main(void)
+{
+ static int ret;
+ ret |= __builtin_bswap64(127);
+ return ret ? 0 : 1;
+}
+EOC
+cyn=__builtin_bswap64
+set d_built_bswap64
+eval $trylink
+