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| author | wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-08-17 21:46:40 +0000 |
|---|---|---|
| committer | wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-08-17 21:46:40 +0000 |
| commit | e375923d7f6c366c2c53e2612ff504be0b8a1602 (patch) | |
| tree | 2933e475ac466941b45611757f28254b3fa3c328 /gcc/config | |
| parent | f484812c5a27bcbe823a33eb5372c29a50c5c6a3 (diff) | |
| download | gcc-e375923d7f6c366c2c53e2612ff504be0b8a1602.tar.gz | |
Canonicalize mips nmadd/nmsub patterns.
* config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
normal and -ffast-math code.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@86148 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/mips/mips.md | 56 |
1 files changed, 52 insertions, 4 deletions
diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md index b9c6f920997..8a6440e41c3 100644 --- a/gcc/config/mips/mips.md +++ b/gcc/config/mips/mips.md @@ -1904,7 +1904,19 @@ (neg:DF (plus:DF (mult:DF (match_operand:DF 1 "register_operand" "f") (match_operand:DF 2 "register_operand" "f")) (match_operand:DF 3 "register_operand" "f"))))] - "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT && TARGET_FUSED_MADD" + "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT + && TARGET_FUSED_MADD && HONOR_SIGNED_ZEROS (DFmode)" + "nmadd.d\t%0,%3,%1,%2" + [(set_attr "type" "fmadd") + (set_attr "mode" "DF")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (minus:DF (mult:DF (neg:DF (match_operand:DF 1 "register_operand" "f")) + (match_operand:DF 2 "register_operand" "f")) + (match_operand:DF 3 "register_operand" "f")))] + "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT + && TARGET_FUSED_MADD && !HONOR_SIGNED_ZEROS (DFmode)" "nmadd.d\t%0,%3,%1,%2" [(set_attr "type" "fmadd") (set_attr "mode" "DF")]) @@ -1914,27 +1926,63 @@ (neg:SF (plus:SF (mult:SF (match_operand:SF 1 "register_operand" "f") (match_operand:SF 2 "register_operand" "f")) (match_operand:SF 3 "register_operand" "f"))))] - "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_FUSED_MADD" + "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_FUSED_MADD + && HONOR_SIGNED_ZEROS (SFmode)" "nmadd.s\t%0,%3,%1,%2" [(set_attr "type" "fmadd") (set_attr "mode" "SF")]) (define_insn "" + [(set (match_operand:SF 0 "register_operand" "=f") + (minus:SF (mult:SF (neg:SF (match_operand:SF 1 "register_operand" "f")) + (match_operand:SF 2 "register_operand" "f")) + (match_operand:SF 3 "register_operand" "f")))] + "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_FUSED_MADD + && !HONOR_SIGNED_ZEROS (SFmode)" + "nmadd.s\t%0,%3,%1,%2" + [(set_attr "type" "fmadd") + (set_attr "mode" "SF")]) + +(define_insn "" + [(set (match_operand:DF 0 "register_operand" "=f") + (neg:DF (minus:DF (mult:DF (match_operand:DF 2 "register_operand" "f") + (match_operand:DF 3 "register_operand" "f")) + (match_operand:DF 1 "register_operand" "f"))))] + "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT + && TARGET_FUSED_MADD && HONOR_SIGNED_ZEROS (DFmode)" + "nmsub.d\t%0,%1,%2,%3" + [(set_attr "type" "fmadd") + (set_attr "mode" "DF")]) + +(define_insn "" [(set (match_operand:DF 0 "register_operand" "=f") (minus:DF (match_operand:DF 1 "register_operand" "f") (mult:DF (match_operand:DF 2 "register_operand" "f") (match_operand:DF 3 "register_operand" "f"))))] - "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT && TARGET_FUSED_MADD" + "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT + && TARGET_FUSED_MADD && !HONOR_SIGNED_ZEROS (DFmode)" "nmsub.d\t%0,%1,%2,%3" [(set_attr "type" "fmadd") (set_attr "mode" "DF")]) (define_insn "" [(set (match_operand:SF 0 "register_operand" "=f") + (neg:SF (minus:SF (mult:SF (match_operand:SF 2 "register_operand" "f") + (match_operand:SF 3 "register_operand" "f")) + (match_operand:SF 1 "register_operand" "f"))))] + "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_FUSED_MADD + && HONOR_SIGNED_ZEROS (SFmode)" + "nmsub.s\t%0,%1,%2,%3" + [(set_attr "type" "fmadd") + (set_attr "mode" "SF")]) + +(define_insn "" + [(set (match_operand:SF 0 "register_operand" "=f") (minus:SF (match_operand:SF 1 "register_operand" "f") (mult:SF (match_operand:SF 2 "register_operand" "f") (match_operand:SF 3 "register_operand" "f"))))] - "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_FUSED_MADD" + "ISA_HAS_NMADD_NMSUB && TARGET_HARD_FLOAT && TARGET_FUSED_MADD + && !HONOR_SIGNED_ZEROS (SFmode)" "nmsub.s\t%0,%1,%2,%3" [(set_attr "type" "fmadd") (set_attr "mode" "SF")]) |