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Diffstat (limited to 'gcc/config/bfin/bfin.md')
| -rw-r--r-- | gcc/config/bfin/bfin.md | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/config/bfin/bfin.md b/gcc/config/bfin/bfin.md index 494b27e3730..63fc99ca1fe 100644 --- a/gcc/config/bfin/bfin.md +++ b/gcc/config/bfin/bfin.md @@ -908,6 +908,14 @@ "%0 = %h1 * %h2 (FU);" [(set_attr "type" "dsp32")]) +(define_insn "usmulhisi3" + [(set (match_operand:SI 0 "register_operand" "=W") + (mult:SI (zero_extend:SI (match_operand:HI 1 "register_operand" "W")) + (sign_extend:SI (match_operand:HI 2 "register_operand" "W"))))] + "" + "%0 = %h2 * %h1 (IS,M);" + [(set_attr "type" "dsp32")]) + ;; The processor also supports ireg += mreg or ireg -= mreg, but these ;; are unusable if we don't ensure that the corresponding lreg is zero. ;; The same applies to the add/subtract constant versions involving |