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| author | Aaron Sawdey <acsawdey@linux.ibm.com> | 2020-11-17 12:55:01 -0500 |
|---|---|---|
| committer | Aaron Sawdey <acsawdey@linux.ibm.com> | 2020-11-21 07:43:25 -0600 |
| commit | c84add5c13d292b339e90b154587439e4721a8c5 (patch) | |
| tree | 46626ea43ce2e7b39d13113967485e5a005f0e55 /gcc | |
| parent | f8f8909af1b5dab515adae5b93b51f3c731b9929 (diff) | |
| download | gcc-c84add5c13d292b339e90b154587439e4721a8c5.zip gcc-c84add5c13d292b339e90b154587439e4721a8c5.tar.gz gcc-c84add5c13d292b339e90b154587439e4721a8c5.tar.bz2 | |
Re-enable vector pair memcpy/memmove expansion
After the MMA opaque mode patch goes in, we can re-enable
use of vector pair in the inline expansion of memcpy/memmove.
gcc/
* config/rs6000/rs6000.c (rs6000_option_override_internal):
Enable vector pair memcpy/memmove expansion.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index bd8205c..d8ac2f0 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -4117,11 +4117,10 @@ rs6000_option_override_internal (bool global_init_p) if (!(rs6000_isa_flags_explicit & OPTION_MASK_BLOCK_OPS_VECTOR_PAIR)) { - /* When the POImode issues of PR96791 are resolved, then we can - once again enable use of vector pair for memcpy/memmove on - P10 if we have TARGET_MMA. For now we make it disabled by - default for all targets. */ - rs6000_isa_flags &= ~OPTION_MASK_BLOCK_OPS_VECTOR_PAIR; + if (TARGET_MMA && TARGET_EFFICIENT_UNALIGNED_VSX) + rs6000_isa_flags |= OPTION_MASK_BLOCK_OPS_VECTOR_PAIR; + else + rs6000_isa_flags &= ~OPTION_MASK_BLOCK_OPS_VECTOR_PAIR; } /* Use long double size to select the appropriate long double. We use |