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i386.c (ix86_tune_features [X86_TUNE_DEEP_BRANCH_PREDICTION]): Prefer call over thunks on nocona and core2.

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* config/i386/i386.c (ix86_tune_features
	[X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
	nocona and core2.

From-SVN: r124084
This commit is contained in:
Mike Stump 2007-04-23 22:09:21 +00:00 • committed by Mike Stump
parent 0d83bf5afb
commit 933e4fe7ae
2 changed files with 7 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2007-04-23 Mike Stump <mrs@apple.com>
* config/i386/i386.c (ix86_tune_features
[X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
nocona and core2.
2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.md (prefix_extra): New attribute.

3
gcc/config/i386/i386.c
View file

@ -1026,8 +1026,7 @@ unsigned int ix86_tune_features[X86_TUNE_LAST] = {
m_486 | m_PENT | m_PPRO | m_ATHLON_K8_AMDFAM10 | m_K6 | m_CORE2 | m_GENERIC,
/* X86_TUNE_DEEP_BRANCH_PREDICTION */
m_PPRO | m_K6_GEODE | m_ATHLON_K8_AMDFAM10 | m_PENT4
| m_NOCONA | m_CORE2 | m_GENERIC,
m_PPRO | m_K6_GEODE | m_ATHLON_K8_AMDFAM10 | m_PENT4 | m_GENERIC,
/* X86_TUNE_BRANCH_PREDICTION_HINTS: Branch hints were put in P4 based
on simulation result. But after P4 was made, no performance benefit