* [committed, PATCH] Disable X86_TUNE_ALWAYS_FANCY_MATH_387 for Lakemont
@ 2015-10-16 21:27 H.J. Lu
0 siblings, 0 replies; only message in thread
From: H.J. Lu @ 2015-10-16 21:27 UTC (permalink / raw)
To: gcc-patches
Since Lakemont processor doesn't have 387, we should disable
X86_TUNE_ALWAYS_FANCY_MATH_387 for Lakemont.
* i386/x86-tune.def (X86_TUNE_ALWAYS_FANCY_MATH_387): Disable
for Lakemont.
---
gcc/config/i386/x86-tune.def | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/config/i386/x86-tune.def b/gcc/config/i386/x86-tune.def
index 05f9737..b2d3921 100644
--- a/gcc/config/i386/x86-tune.def
+++ b/gcc/config/i386/x86-tune.def
@@ -435,7 +435,7 @@ DEF_TUNE (X86_TUNE_DOUBLE_WITH_ADD, "double_with_add", ~m_386)
such as fsqrt, fprem, fsin, fcos, fsincos etc.
Should be enabled for all targets that always has coprocesor. */
DEF_TUNE (X86_TUNE_ALWAYS_FANCY_MATH_387, "always_fancy_math_387",
- ~(m_386 | m_486))
+ ~(m_386 | m_486 | m_LAKEMONT))
/* X86_TUNE_UNROLL_STRLEN: Produce (quite lame) unrolled sequence for
inline strlen. This affects only -minline-all-stringops mode. By
--
2.4.3
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2015-10-16 21:27 [committed, PATCH] Disable X86_TUNE_ALWAYS_FANCY_MATH_387 for Lakemont H.J. Lu
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