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| author | Xi Ruoyao <xry111@xry111.site> | 2024-09-06 03:27:19 +0800 |
|---|---|---|
| committer | Xi Ruoyao <xry111@xry111.site> | 2025-01-18 10:16:40 +0800 |
| commit | cc6176a921cbe3b9db323b1cd557efe4f299171a (patch) | |
| tree | 0a695a9f4ebf993358c10d0dc3c3725676128d68 | |
| parent | 43a15cecba5151e3474cc60bbe6a10e02c66bf00 (diff) | |
| download | gcc-cc6176a921cbe3b9db323b1cd557efe4f299171a.zip gcc-cc6176a921cbe3b9db323b1cd557efe4f299171a.tar.gz gcc-cc6176a921cbe3b9db323b1cd557efe4f299171a.tar.bz2 | |
LoongArch: Add alsl.wu
On 64-bit capable LoongArch hardware, alsl.wu is similar to alsl.w but
zero-extending the 32-bit result.
gcc/ChangeLog:
* config/loongarch/loongarch.md (alslsi3_extend): Add alsl.wu.
gcc/testsuite/ChangeLog:
* gcc.target/loongarch/alsl_wu.c: New test.
| -rw-r--r-- | gcc/config/loongarch/loongarch.md | 8 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/loongarch/alsl_wu.c | 9 |
2 files changed, 13 insertions, 4 deletions
diff --git a/gcc/config/loongarch/loongarch.md b/gcc/config/loongarch/loongarch.md index 59f4577..1b46e8e 100644 --- a/gcc/config/loongarch/loongarch.md +++ b/gcc/config/loongarch/loongarch.md @@ -3143,15 +3143,15 @@ [(set_attr "type" "arith") (set_attr "mode" "<MODE>")]) -(define_insn "alslsi3_extend" +(define_insn "*alslsi3_extend" [(set (match_operand:DI 0 "register_operand" "=r") - (sign_extend:DI + (any_extend:DI (plus:SI (ashift:SI (match_operand:SI 1 "register_operand" "r") (match_operand 2 "const_immalsl_operand" "")) (match_operand:SI 3 "register_operand" "r"))))] - "" - "alsl.w\t%0,%1,%3,%2" + "TARGET_64BIT" + "alsl.w<u>\t%0,%1,%3,%2" [(set_attr "type" "arith") (set_attr "mode" "SI")]) diff --git a/gcc/testsuite/gcc.target/loongarch/alsl_wu.c b/gcc/testsuite/gcc.target/loongarch/alsl_wu.c new file mode 100644 index 0000000..65f55e6 --- /dev/null +++ b/gcc/testsuite/gcc.target/loongarch/alsl_wu.c @@ -0,0 +1,9 @@ +/* { dg-do compile } */ +/* { dg-options "-march=loongarch64 -mabi=lp64d -O2" } */ +/* { dg-final { scan-assembler "alsl\\.wu" } } */ + +unsigned long +test (unsigned int a, unsigned int b) +{ + return (a << 2) + b; +} |