| commit | 1a5d01e79e40485e2e78ceb25f124a5ee31415fc | |
| author | Khem Raj <raj.khem@gmail.com> | |
| Sun, 3 Apr 2016 04:55:25 +0000 (2 21:55 -0700) | ||
| committer | Mike Frysinger <vapier@gentoo.org> | |
| Sun, 10 Apr 2016 02:14:24 +0000 (9 22:14 -0400) | ||
| tree | 3ac2642323dd0f25c3b78ea255b04b39dc5afd6b | treesnapshot (tar.gz zip) |
| parent | ef9ec897605ebb1422f1ddae26c944e739d2a660 | commitdiff |
When disabling SSE, make sure -fpmath is not set to use SSE either
This fixes errors when we inject sse options through CFLAGS and now
that we have -Werror turned on by default this warning turns into an
error on x86:
$ gcc -m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -x c /dev/null -S -mno-sse -mno-mmx
/dev/null:1:0: warning: SSE instruction set disabled, using 387 arithmetics
Where as:
$ gcc -m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -x c /dev/null -S -mno-sse -mno-mmx -mfpmath=387
Generates no warnings.
This fixes errors when we inject sse options through CFLAGS and now
that we have -Werror turned on by default this warning turns into an
error on x86:
$ gcc -m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -x c /dev/null -S -mno-sse -mno-mmx
/dev/null:1:0: warning: SSE instruction set disabled, using 387 arithmetics
Where as:
$ gcc -m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -x c /dev/null -S -mno-sse -mno-mmx -mfpmath=387
Generates no warnings.
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