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Canonicalize mips nmadd/nmsub patterns.

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* config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
normal and -ffast-math code.

From-SVN: r86148
This commit is contained in:
James E Wilson 2004-08-17 21:46:40 +00:00 committed by Jim Wilson
parent 743a0a34ca
commit e17c734b16
2 changed files with 56 additions and 5 deletions
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5
gcc/ChangeLog
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@ -4,7 +4,10 @@
of VOIDmode for comparison code mode.
* config/mips/mips.md: For conditional move patterns, use mode of
first compare operand for comparison mode, instead of VOIDmode.
* config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
normal and -ffast-math code.
2004-08-17 Mark Mitchell <mark@codesourcery.com>
PR c++/15871

56
gcc/config/mips/mips.md
View File

@ -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")])