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| author | Martin Liska <mliska@suse.cz> | 2016-09-23 09:57:07 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2016-09-23 07:57:07 +0000 |
| commit | fab18cc4f7149a3b39d3b3055af03013f01ac554 (patch) | |
| tree | c82e1b35e23bbff0889120c456334f936e338cbd | |
| parent | e70f01b561a3d65baba2c981a4e162967e41285f (diff) | |
| download | gcc-fab18cc4f7149a3b39d3b3055af03013f01ac554.zip gcc-fab18cc4f7149a3b39d3b3055af03013f01ac554.tar.gz gcc-fab18cc4f7149a3b39d3b3055af03013f01ac554.tar.bz2 | |
Support crc32 as a i386 target optimization node
* config/i386/i386.c (ix86_valid_target_attribute_inner_p):
Handle crc32.
* gcc.target/i386/crc32-5.c: New test.
From-SVN: r240393
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 1 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/crc32-5.c | 25 |
4 files changed, 35 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d3ba1c2..ecf6811 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2016-09-23 Martin Liska <mliska@suse.cz> + * config/i386/i386.c (ix86_valid_target_attribute_inner_p): + Handle crc32. + +2016-09-23 Martin Liska <mliska@suse.cz> + PR target/71652 * config/i386/i386.c (ix86_option_override_internal): Change signature and return false when there's an error related to diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 2dcd569..b1aa727 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -6526,6 +6526,7 @@ ix86_valid_target_attribute_inner_p (tree args, char *p_strings[], IX86_ATTR_ISA ("mmx", OPT_mmmx), IX86_ATTR_ISA ("pclmul", OPT_mpclmul), IX86_ATTR_ISA ("popcnt", OPT_mpopcnt), + IX86_ATTR_ISA ("crc32", OPT_mcrc32), IX86_ATTR_ISA ("sse", OPT_msse), IX86_ATTR_ISA ("sse2", OPT_msse2), IX86_ATTR_ISA ("sse3", OPT_msse3), diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 6b6693e..80622c5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,9 @@ 2016-09-23 Martin Liska <mliska@suse.cz> + * gcc.target/i386/crc32-5.c: New test. + +2016-09-23 Martin Liska <mliska@suse.cz> + * gcc.target/i386/pr71652.c: New test. * gcc.target/i386/pr71652-2.c: New test. * gcc.target/i386/pr71652-3.c: New test. diff --git a/gcc/testsuite/gcc.target/i386/crc32-5.c b/gcc/testsuite/gcc.target/i386/crc32-5.c new file mode 100644 index 0000000..a47f1e2 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/crc32-5.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ +/* { dg-final { scan-assembler "crc32b\[^\\n\]*eax" } } */ +/* { dg-final { scan-assembler "crc32w\[^\\n\]*eax" } } */ +/* { dg-final { scan-assembler "crc32l\[^\\n\]*eax" } } */ + +#pragma GCC target ("crc32") + +unsigned int +crc32b (unsigned int x, unsigned char y) +{ + return __builtin_ia32_crc32qi (x, y); +} + +unsigned int +crc32w (unsigned int x, unsigned short y) +{ + return __builtin_ia32_crc32hi (x, y); +} + +unsigned int +crc32d (unsigned int x, unsigned int y) +{ + return __builtin_ia32_crc32si (x, y); +} |