diff options
| author | dj <dj@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-11-04 18:22:37 +0000 |
|---|---|---|
| committer | dj <dj@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-11-04 18:22:37 +0000 |
| commit | fbe30bb98a52a97f6fbff7c2ab2abdf96a340825 (patch) | |
| tree | 3e06902999f4959350f141b265846baff33ff176 /gcc/config/v850/v850.md | |
| parent | b1fa16194be35023463ae2a85d6116da1fc556ae (diff) | |
| download | gcc-fbe30bb98a52a97f6fbff7c2ab2abdf96a340825.tar.gz | |
* config/v850/v850.md (mulhisi3): Expand the const_int case
separately to avoid trying to sign extend the const.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@73256 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/v850/v850.md')
| -rw-r--r-- | gcc/config/v850/v850.md | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/gcc/config/v850/v850.md b/gcc/config/v850/v850.md index ba058a45e76..8e028aba559 100644 --- a/gcc/config/v850/v850.md +++ b/gcc/config/v850/v850.md @@ -368,7 +368,11 @@ (sign_extend:SI (match_operand:HI 1 "register_operand" "")) (sign_extend:SI (match_operand:HI 2 "nonmemory_operand" ""))))] "" - "") + "if (GET_CODE (operands[2]) == CONST_INT) + { + emit_insn (gen_mulhisi3_internal2 (operands[0], operands[1], operands[2])); + DONE; + }") (define_insn "*mulhisi3_internal1" [(set (match_operand:SI 0 "register_operand" "=r") @@ -381,13 +385,11 @@ (set_attr "cc" "none_0hit") (set_attr "type" "mult")]) -;; ??? Sign extending constants isn't valid. Fix? - -(define_insn "*mulhisi3_internal2" +(define_insn "mulhisi3_internal2" [(set (match_operand:SI 0 "register_operand" "=r,r") (mult:SI (sign_extend:SI (match_operand:HI 1 "register_operand" "%0,r")) - (sign_extend:SI (match_operand 2 "const_int_operand" "J,K"))))] + (match_operand:HI 2 "const_int_operand" "J,K")))] "" "@ mulh %2,%0 |