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| author | H.J. Lu <hjl.tools@gmail.com> | 2012-05-15 09:52:35 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-05-15 09:52:35 -0700 |
| commit | 54e2ed81050b3b943c104faea34cd82376df96f7 (patch) | |
| tree | 932af99bdff99c9b3149288d0db7003fdb04dc49 | |
| parent | 8a17f34979b8425fdd74c15872d78c4d56a68079 (diff) | |
| download | glibc-54e2ed81050b3b943c104faea34cd82376df96f7.tar.gz glibc-54e2ed81050b3b943c104faea34cd82376df96f7.tar.xz glibc-54e2ed81050b3b943c104faea34cd82376df96f7.zip | |
Load cache sizes into R11_LP/R8_LP
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/x86_64/memcpy.S | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 51b0bd5700..079b1a95d4 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,11 @@ 2012-05-15 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/x86_64/memcpy.S: Load __x86_64_data_cache_size_half + into R11_LP and load __x86_64_shared_cache_size_half into + R8_LP. + +2012-05-15 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/x86_64/multiarch/memcmp-sse4.S: Load cache size into R8_LP. diff --git a/sysdeps/x86_64/memcpy.S b/sysdeps/x86_64/memcpy.S index d74e5329be..9e693f2a98 100644 --- a/sysdeps/x86_64/memcpy.S +++ b/sysdeps/x86_64/memcpy.S @@ -254,7 +254,7 @@ L(32after): L(fasttry): /* first 1/2 L1 */ #ifndef NOT_IN_libc /* only up to this algorithm outside of libc.so */ - movq __x86_64_data_cache_size_half(%rip), %r11 + mov __x86_64_data_cache_size_half(%rip), %R11_LP cmpq %rdx, %r11 /* calculate the smaller of */ cmovaq %rdx, %r11 /* remaining bytes and 1/2 L1 */ #endif @@ -303,7 +303,7 @@ L(fastafter): /* Handle large blocks smaller than 1/2 L2. */ L(pretry): /* first 1/2 L2 */ - movq __x86_64_shared_cache_size_half (%rip), %r8 + mov __x86_64_shared_cache_size_half (%rip), %R8_LP cmpq %rdx, %r8 /* calculate the lesser of */ cmovaq %rdx, %r8 /* remaining bytes and 1/2 L2 */ |