diff options
Diffstat (limited to 'gcc/config/i386/i386.md')
| -rw-r--r-- | gcc/config/i386/i386.md | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 3912fb6..38e41bc 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -173,6 +173,9 @@ (UNSPEC_PTEST 140) (UNSPEC_ROUNDP 141) (UNSPEC_ROUNDS 142) + + ; For SSE4.2 support + (UNSPEC_CRC32 143) ]) (define_constants @@ -20895,6 +20898,36 @@ } [(set_attr "type" "multi")]) +(define_mode_macro CRC32MODE [QI HI SI]) +(define_mode_attr crc32modesuffix [(QI "b") (HI "w") (SI "l")]) +(define_mode_attr crc32modeconstraint [(QI "qm") (HI "rm") (SI "rm")]) + +(define_insn "sse4_2_crc32<mode>" + [(set (match_operand:SI 0 "register_operand" "=r") + (unspec:SI + [(match_operand:SI 1 "register_operand" "0") + (match_operand:CRC32MODE 2 "nonimmediate_operand" "<crc32modeconstraint>")] + UNSPEC_CRC32))] + "TARGET_SSE4_2" + "crc32<crc32modesuffix>\t{%2, %0|%0, %2}" + [(set_attr "type" "sselog1") + (set_attr "prefix_rep" "1") + (set_attr "prefix_extra" "1") + (set_attr "mode" "SI")]) + +(define_insn "sse4_2_crc32di" + [(set (match_operand:DI 0 "register_operand" "=r") + (unspec:DI + [(match_operand:DI 1 "register_operand" "0") + (match_operand:DI 2 "nonimmediate_operand" "rm")] + UNSPEC_CRC32))] + "TARGET_SSE4_2 && TARGET_64BIT" + "crc32q\t{%2, %0|%0, %2}" + [(set_attr "type" "sselog1") + (set_attr "prefix_rep" "1") + (set_attr "prefix_extra" "1") + (set_attr "mode" "DI")]) + (include "mmx.md") (include "sse.md") (include "sync.md") |