LGTM! Thanks.
在 2022/11/9 下午9:53, Xi Ruoyao 写道:
Use standard name so __builtin_rint{,f} can be expanded to one instruction. gcc/ChangeLog: * config/loongarch/loongarch.md (frint_<fmt>): Rename to .. (rint<mode>2): .. this. gcc/testsuite/ChangeLog: * gcc.target/loongarch/frint.c: New test. --- gcc/config/loongarch/loongarch.md | 4 ++-- gcc/testsuite/gcc.target/loongarch/frint.c | 16 ++++++++++++++++ 2 files changed, 18 insertions(+), 2 deletions(-) create mode 100644 gcc/testsuite/gcc.target/loongarch/frint.c diff --git a/gcc/config/loongarch/loongarch.md b/gcc/config/loongarch/loongarch.md index bda34d0f3db..a14ab14ac24 100644 --- a/gcc/config/loongarch/loongarch.md +++ b/gcc/config/loongarch/loongarch.md @@ -2012,8 +2012,8 @@ (define_insn "lui_h_hi12" [(set_attr "type" "move")] )-;; Convert floating-point numbers to integers-(define_insn "frint_<fmt>" +;; Round floating-point numbers to integers +(define_insn "rint<mode>2" [(set (match_operand:ANYF 0 "register_operand" "=f") (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")] UNSPEC_FRINT))] diff --git a/gcc/testsuite/gcc.target/loongarch/frint.c b/gcc/testsuite/gcc.target/loongarch/frint.c new file mode 100644 index 00000000000..3ee6a8f973a --- /dev/null +++ b/gcc/testsuite/gcc.target/loongarch/frint.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-mdouble-float" } */ +/* { dg-final { scan-assembler "frint\\.s" } } */ +/* { dg-final { scan-assembler "frint\\.d" } } */ + +double +my_rint (double a) +{ + return __builtin_rint (a); +} + +float +my_rintf (float a) +{ + return __builtin_rintf (a); +}
