Commit Graph

5 Commits

Author SHA1 Message Date
Richard Henderson d4b179020b libitm: Don't add -mavx if the assembler doesn't support avx.
* config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
        * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
        * configure.ac (ARCH_X86_AVX): New conditional.
        * Makefile.in, configure: Rebuild.

From-SVN: r181261
2011-11-10 09:09:04 -08:00
Richard Henderson 430616e7a7 libitm: Work around assembler missing AVX insns.
From-SVN: r181246
2011-11-09 16:29:38 -08:00
Richard Henderson 4bdd090f8e libitm: Configure for gas cfi pseudo ops.
* asmcfi.m4: New file.

	* configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
	* configure, aclocal.m4, config.h.in: Rebuild.
	* config/generic/asmcfi.h: New file.
	* config/x86/sjlj.S: Use it.

From-SVN: r181224
2011-11-09 10:09:53 -08:00
Richard Henderson 01f3428caf Check for libitm support at top-level.
From-SVN: r181168
2011-11-08 08:06:25 -08:00
Aldy Hernandez 0a35513e4e Merge from transactional-memory branch.
From-SVN: r181154
2011-11-08 11:13:41 +00:00