Re: [PATCH, RFC] combine: Don't create insv insns unless HAVE_insv

On 07/12/2015 07:56 AM, Segher Boessenkool wrote: Currently combine tries to make assignments to bitfields (of a register) whenever it can. If the target has no insv pattern, the result will not ever match (if the MD is sane at all). Doing insv on registers generates worse code than what you ge

Re: [patch, driver] Ignore -ftree-parallelize-loops={0,1}

On 07/13/2015 04:58 AM, Tom de Vries wrote: On 07/07/15 09:53, Tom de Vries wrote: Hi, currently, we have these spec strings in gcc/gcc.c involving ftree-parallelize-loops: ... %{fopenacc|fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)} %{fopenacc|fopenmp|ftree-paralleli

Re: [PATCH, rtl-optimization]: Fix PR66838, Calling multiple SYSV AMD64 ABI functions from MS x64 ABI one results in clobbered parameters

On 07/12/2015 12:35 PM, Uros Bizjak wrote: Another missing case of CALL_INSN_FUNCTION_USAGE, where clobbered registers are also marked, this time in postreload/ reload_cse_move2add. Fixed compiler now generates following code callsysv_abi_func movl$global, %esi m

[Patch wwwdocs] gcc-6/changes.html : Document AMD monitorx and mwaitx

Hi Richard and Gerald, This patch adds the documentation in changes.html for the GCC trunk (gcc-6) . Please let me know if it is good to commit. Index: htdocs/gcc-6/changes.html === RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-6/changes.ht

Re: [PATCH][4/n] Remove GENERIC stmt combining from SCCVN

On 07/13/2015 03:32 AM, Richard Biener wrote: On Mon, 13 Jul 2015, Richard Biener wrote: On Sun, 12 Jul 2015, Jeff Law wrote: On 06/29/2015 01:58 AM, Richard Biener wrote: In principle the following works for the testcase (even w/o fixing the VRP part). Index: gcc/tree-ssa-dom.c ==

[PATCH, gomp4] Propagate independent clause for OpenACC kernels pass

Hi Tom, this patch provides a 'bool independent' field in struct loop, which will be switched on by an "independent" clause in a #pragma acc loop directive. I assume you'll be wiring it to the kernels parloops pass in a followup patch. Note: there are already a few other similar fields in struct l

<    1   2