gcc/libiberty/config.in
Jakub Jelinek bf4f40cc31 libiberty: Use x86 HW optimized sha1
Nick has approved this patch (+ small ld change to use it for --build-id=),
so I'm commiting it to GCC as master as well.

If anyone from ARM would be willing to implement it similarly with
vsha1{cq,mq,pq,h,su0q,su1q}_u32 intrinsics, it could be a useful linker
speedup on those hosts as well, the intent in sha1.c was that
sha1_hw_process_bytes, sha1_hw_process_block functions
would be defined whenever
defined (HAVE_X86_SHA1_HW_SUPPORT) || defined (HAVE_WHATEVERELSE_SHA1_HW_SUPPORT)
but the body of sha1_hw_process_block and sha1_choose_process_bytes
would then have #elif defined (HAVE_WHATEVERELSE_SHA1_HW_SUPPORT) for
the other arch support, similarly for any target attributes on
sha1_hw_process_block if needed.

2023-11-28  Jakub Jelinek  <jakub@redhat.com>

include/
	* sha1.h (sha1_process_bytes_fn): New typedef.
	(sha1_choose_process_bytes): Declare.
libiberty/
	* configure.ac (HAVE_X86_SHA1_HW_SUPPORT): New check.
	* sha1.c: If HAVE_X86_SHA1_HW_SUPPORT is defined, include x86intrin.h
	and cpuid.h.
	(sha1_hw_process_bytes, sha1_hw_process_block,
	sha1_choose_process_bytes): New functions.
	* config.in: Regenerated.
	* configure: Regenerated.
2023-11-28 13:14:05 +01:00

590 lines
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/* config.in. Generated from configure.ac by autoheader. */
/* Define if building universal (internal helper macro) */
#undef AC_APPLE_UNIVERSAL_BUILD
/* Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP systems.
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