When I added copysign support for LoongArch (r13-3702), we did not have a copysign RTL insn, so I had to use UNSPEC to represent the copysign instruction. Now the copysign RTX code has been added in r14-1586, so this patch removes those UNSPECs, and it uses the native RTL copysign insn.
Inspired by rs6000 patch "Cleanup: Replace UNSPEC_COPYSIGN with copysign RTL" [1] from Michael Meissner. [1]: https://gcc.gnu.org/pipermail/gcc-patches/2023-September/631701.html gcc/ChangeLog: * config/loongarch/loongarch.md (UNSPEC_FCOPYSIGN): Delete. (copysign<mode>3): Use copysign RTL instead of UNSPEC. --- Bootstrapped and regtested on loongarch64-linux-gnu. Ok for trunk? gcc/config/loongarch/loongarch.md | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/gcc/config/loongarch/loongarch.md b/gcc/config/loongarch/loongarch.md index 2b09209945b..9916c741641 100644 --- a/gcc/config/loongarch/loongarch.md +++ b/gcc/config/loongarch/loongarch.md @@ -37,7 +37,6 @@ (define_c_enum "unspec" [ UNSPEC_FCLASS UNSPEC_FMAX UNSPEC_FMIN - UNSPEC_FCOPYSIGN UNSPEC_FTINT UNSPEC_FTINTRM UNSPEC_FTINTRP @@ -1130,9 +1129,8 @@ (define_insn "abs<mode>2" (define_insn "copysign<mode>3" [(set (match_operand:ANYF 0 "register_operand" "=f") - (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f") - (match_operand:ANYF 2 "register_operand" "f")] - UNSPEC_FCOPYSIGN))] + (copysign:ANYF (match_operand:ANYF 1 "register_operand" "f") + (match_operand:ANYF 2 "register_operand" "f")))] "TARGET_HARD_FLOAT" "fcopysign.<fmt>\t%0,%1,%2" [(set_attr "type" "fcopysign") -- 2.42.0
