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| author | H.J. Lu <hongjiu.lu@intel.com> | 2010-12-06 14:42:56 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2010-12-06 06:42:56 -0800 |
| commit | 1a23b861078884027c54ddb27438cf08acc9ef20 (patch) | |
| tree | ee10082f5012438ff403b2681f750c11c9add801 /gcc | |
| parent | 35758e5b0108d43c495b94012a9a71a7eb879a76 (diff) | |
| download | gcc-1a23b861078884027c54ddb27438cf08acc9ef20.zip gcc-1a23b861078884027c54ddb27438cf08acc9ef20.tar.gz gcc-1a23b861078884027c54ddb27438cf08acc9ef20.tar.bz2 | |
Turn on unaligned SSE load/store for Core i7.
2010-12-06 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (m_COREI7): New.
(initial_ix86_tune_features): Turn on
X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL and
X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL for Core i7.
From-SVN: r167496
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 5 |
2 files changed, 10 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6c21b40..b2d4d6d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,12 @@ 2010-12-06 H.J. Lu <hongjiu.lu@intel.com> + * config/i386/i386.c (m_COREI7): New. + (initial_ix86_tune_features): Turn on + X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL and + X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL for Core i7. + +2010-12-06 H.J. Lu <hongjiu.lu@intel.com> + * config.gcc: Allow corei7-avx for --with-arch/--with-cpu. * config/i386/driver-i386.c (host_detect_local_cpu): Support diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index c80a479..e9c14d0 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -1644,6 +1644,7 @@ const struct processor_costs *ix86_cost = &pentium_cost; #define m_CORE2_64 (1<<PROCESSOR_CORE2_64) #define m_COREI7_32 (1<<PROCESSOR_COREI7_32) #define m_COREI7_64 (1<<PROCESSOR_COREI7_64) +#define m_COREI7 (m_COREI7_32 | m_COREI7_64) #define m_CORE2I7_32 (m_CORE2_32 | m_COREI7_32) #define m_CORE2I7_64 (m_CORE2_64 | m_COREI7_64) #define m_CORE2I7 (m_CORE2I7_32 | m_CORE2I7_64) @@ -1810,10 +1811,10 @@ static unsigned int initial_ix86_tune_features[X86_TUNE_LAST] = { | m_AMDFAM10 | m_BDVER1, /* X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL */ - m_AMDFAM10 | m_BDVER1, + m_AMDFAM10 | m_BDVER1 | m_COREI7, /* X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL */ - m_BDVER1, + m_BDVER1 | m_COREI7, /* X86_TUNE_SSE_PACKED_SINGLE_INSN_OPTIMAL */ m_BDVER1, |