diff options
Diffstat (limited to 'gcc/config/i386/i386.md')
| -rw-r--r-- | gcc/config/i386/i386.md | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 5500de2..db6a724 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -1238,10 +1238,9 @@ "" "xchg{l}\t%1, %0" [(set_attr "type" "imov") - (set_attr "pent_pair" "np") - (set_attr "athlon_decode" "vector") (set_attr "mode" "SI") - (set_attr "modrm" "0")]) + (set_attr "pent_pair" "np") + (set_attr "athlon_decode" "vector")]) (define_expand "movhi" [(set (match_operand:HI 0 "nonimmediate_operand" "") @@ -1355,24 +1354,24 @@ (match_operand:HI 1 "register_operand" "+r")) (set (match_dup 1) (match_dup 0))] - "TARGET_PARTIAL_REG_STALL" - "xchg{w}\t%1, %0" + "!TARGET_PARTIAL_REG_STALL || optimize_size" + "xchg{l}\t%k1, %k0" [(set_attr "type" "imov") + (set_attr "mode" "SI") (set_attr "pent_pair" "np") - (set_attr "mode" "HI") - (set_attr "modrm" "0")]) + (set_attr "athlon_decode" "vector")]) (define_insn "*swaphi_2" [(set (match_operand:HI 0 "register_operand" "+r") (match_operand:HI 1 "register_operand" "+r")) (set (match_dup 1) (match_dup 0))] - "! TARGET_PARTIAL_REG_STALL" - "xchg{l}\t%k1, %k0" + "TARGET_PARTIAL_REG_STALL" + "xchg{w}\t%1, %0" [(set_attr "type" "imov") + (set_attr "mode" "HI") (set_attr "pent_pair" "np") - (set_attr "mode" "SI") - (set_attr "modrm" "0")]) + (set_attr "athlon_decode" "vector")]) (define_expand "movstricthi" [(set (strict_low_part (match_operand:HI 0 "nonimmediate_operand" "")) @@ -1521,17 +1520,29 @@ DONE; }) -(define_insn "*swapqi" +(define_insn "*swapqi_1" [(set (match_operand:QI 0 "register_operand" "+r") (match_operand:QI 1 "register_operand" "+r")) (set (match_dup 1) (match_dup 0))] - "" - "xchg{b}\t%1, %0" + "!TARGET_PARTIAL_REG_STALL || optimize_size" + "xchg{l}\t%k1, %k0" [(set_attr "type" "imov") + (set_attr "mode" "SI") (set_attr "pent_pair" "np") + (set_attr "athlon_decode" "vector")]) + +(define_insn "*swapqi_2" + [(set (match_operand:QI 0 "register_operand" "+q") + (match_operand:QI 1 "register_operand" "+q")) + (set (match_dup 1) + (match_dup 0))] + "TARGET_PARTIAL_REG_STALL" + "xchg{b}\t%1, %0" + [(set_attr "type" "imov") (set_attr "mode" "QI") - (set_attr "modrm" "0")]) + (set_attr "pent_pair" "np") + (set_attr "athlon_decode" "vector")]) (define_expand "movstrictqi" [(set (strict_low_part (match_operand:QI 0 "nonimmediate_operand" "")) @@ -2094,12 +2105,10 @@ "TARGET_64BIT" "xchg{q}\t%1, %0" [(set_attr "type" "imov") - (set_attr "pent_pair" "np") - (set_attr "athlon_decode" "vector") (set_attr "mode" "DI") - (set_attr "modrm" "0")]) + (set_attr "pent_pair" "np") + (set_attr "athlon_decode" "vector")]) - (define_expand "movsf" [(set (match_operand:SF 0 "nonimmediate_operand" "") (match_operand:SF 1 "general_operand" ""))] |