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| author | Mike Stump <mrs@apple.com> | 2007-04-23 22:09:21 +0000 |
|---|---|---|
| committer | Mike Stump <mrs@gcc.gnu.org> | 2007-04-23 22:09:21 +0000 |
| commit | 933e4fe7ae88e0e652148df2ed24b4c7b27a76f9 (patch) | |
| tree | d6c15c77d7b993be7ee3cc2c1183620c0eb399f8 | |
| parent | 0d83bf5afb378b14c59c1dd88561b824c630bc54 (diff) | |
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i386.c (ix86_tune_features [X86_TUNE_DEEP_BRANCH_PREDICTION]): Prefer call over thunks on nocona and core2.
* config/i386/i386.c (ix86_tune_features
[X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
nocona and core2.
From-SVN: r124084
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 3 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 46866c3..142d6c2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index b785f49..2e0586b 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -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 |