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(parent: 40b178f) | patch
i386.md: Comments on fma4 instruction selection reflect requirement on register press...
authorUros Bizjak <uros@gcc.gnu.org>
Wed, 12 Sep 2012 15:23:01 +0000 (17:23 +0200)
committerUros Bizjak <uros@gcc.gnu.org>
Wed, 12 Sep 2012 15:23:01 +0000 (17:23 +0200)
commited56b7f958ffab960ccad757c510d718bc85b0b6
tree31bb9d8525d733dc917d959478abc4eebc1c1f12tree
parent40b178f44696219fb4781f1f555eb7962fbcd401commit | diff
i386.md: Comments on fma4 instruction selection reflect requirement on register pressure...

2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>

* config/i386/i386.md : Comments on fma4 instruction
selection reflect requirement on register pressure based
cost model.

* config/i386/driver-i386.c (host_detect_local_cpu): fma4
flag is set-reset as informed by the cpuid flag.

* config/i386/i386.c (processor_alias_table): fma4
flag is enabled for bdver2.

From-SVN: r191226
gcc/ChangeLog diff | blob | history
gcc/config/i386/driver-i386.c diff | blob | history
gcc/config/i386/i386.c diff | blob | history
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