diff options
| -rw-r--r-- | gcc/config/v850/v850.md | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/config/v850/v850.md b/gcc/config/v850/v850.md index ed51157..6ca31e3 100644 --- a/gcc/config/v850/v850.md +++ b/gcc/config/v850/v850.md @@ -2601,7 +2601,12 @@ (set_attr "type" "fpu")]) ;;; negative-multiply-add -(define_insn "fnmasf4" +;; Note the name on this and the following insn were previously fnmasf4 +;; and fnmssf4. Those names are known to the gimple->rtl expanders and +;; must implement specific semantics (negating one of the inputs to the +;; multiplication). The v850 instructions actually negate the entire +;; result. Thus the names have been changed and hidden. +(define_insn "*v850_fnmasf4" [(set (match_operand:SF 0 "register_operand" "=r") (neg:SF (fma:SF (match_operand:SF 1 "register_operand" "r") (match_operand:SF 2 "register_operand" "r") @@ -2612,7 +2617,7 @@ (set_attr "type" "fpu")]) ;; negative-multiply-subtract -(define_insn "fnmssf4" +(define_insn "*v850_fnmssf4" [(set (match_operand:SF 0 "register_operand" "=r") (neg:SF (fma:SF (match_operand:SF 1 "register_operand" "r") (match_operand:SF 2 "register_operand" "r") |