gcc/ChangeLog: 2016-07-18 Martin Liska <mli...@suse.cz>
* config/i386/i386.c (ix86_valid_target_attribute_inner_p): Handle crc32. gcc/testsuite/ChangeLog: 2016-07-18 Martin Liska <mli...@suse.cz> * gcc.target/i386/crc32-5.c: New test. --- gcc/config/i386/i386.c | 1 + gcc/testsuite/gcc.target/i386/crc32-5.c | 25 +++++++++++++++++++++++++ 2 files changed, 26 insertions(+) create mode 100644 gcc/testsuite/gcc.target/i386/crc32-5.c diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index c838790..493b7e6 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -6437,6 +6437,7 @@ 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/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); +} -- 2.8.4