https://gcc.gnu.org/g:52c360296fa04eff6e402ecded5346a2d171bab7
commit 52c360296fa04eff6e402ecded5346a2d171bab7 Author: Edwin Lu <[email protected]> Date: Mon Sep 8 10:48:45 2025 -0700 RISC-V: Support vnclip idiom testcase [PR120378] This patch contains testcases for PR120378 after the change made to support the vnclipu variant of the SAT_TRUNC pattern. PR target/120378 gcc/testsuite/ChangeLog: * gcc.target/riscv/rvv/autovec/pr120378-1.c: New test. * gcc.target/riscv/rvv/autovec/pr120378-2.c: New test. * gcc.target/riscv/rvv/autovec/pr120378-3.c: New test. * gcc.target/riscv/rvv/autovec/pr120378-4.c: New test. Signed-off-by: Edwin Lu <[email protected]> (cherry picked from commit d0c08415310d1daecb28f8fbfeef3d7f18b21d56) Diff: --- .../gcc.target/riscv/rvv/autovec/pr120378-1.c | 21 +++++++++++++++++++++ .../gcc.target/riscv/rvv/autovec/pr120378-2.c | 21 +++++++++++++++++++++ .../gcc.target/riscv/rvv/autovec/pr120378-3.c | 21 +++++++++++++++++++++ .../gcc.target/riscv/rvv/autovec/pr120378-4.c | 21 +++++++++++++++++++++ 4 files changed, 84 insertions(+) diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr120378-1.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr120378-1.c new file mode 100644 index 000000000000..500028e7a150 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr120378-1.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gcv -mabi=lp64d -O3" } */ + +#include <stdint.h> + +inline uint8_t +clip_uint8 (int x) +{ + return x & (~255) ? (-x) >> 31 : x; +} + +void __attribute__ ((noipa)) +clip_loop (uint8_t *res, int *x, int w) +{ + for (int i = 0; i < w; i++) + res[i] = clip_uint8 (x[i]); +} + +/* { dg-final { scan-tree-dump-times ".SAT_TRUNC " 1 "optimized" } } */ +/* { dg-final { scan-tree-dump-times "MAX_EXPR " 1 "optimized" } } */ +/* { dg-final { scan-assembler-times {vnclipu\.wi} 2 } } */ diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr120378-2.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr120378-2.c new file mode 100644 index 000000000000..9a880e0f67b2 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr120378-2.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gcv -mabi=lp64d -O3" } */ + +#include <stdint.h> + +inline uint16_t +clip_uint16 (int x) +{ + return x & (~65535) ? (-x) >> 31 : x; +} + +void __attribute__ ((noipa)) +clip_loop (uint16_t *res, int *x, int w) +{ + for (int i = 0; i < w; i++) + res[i] = clip_uint16 (x[i]); +} + +/* { dg-final { scan-tree-dump-times ".SAT_TRUNC " 1 "optimized" } } */ +/* { dg-final { scan-tree-dump-times "MAX_EXPR " 1 "optimized" } } */ +/* { dg-final { scan-assembler-times {vnclipu\.wi} 1 } } */ diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr120378-3.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr120378-3.c new file mode 100644 index 000000000000..d6b2ddd3f8d0 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr120378-3.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gcv -mabi=lp64d -O3" } */ + +#include <stdint.h> + +inline uint8_t +clip_uint8 (int64_t x) +{ + return x & (~255) ? (-x) >> 63 : x; +} + +void __attribute__ ((noipa)) +clip_loop (uint8_t *res, int64_t *x, int w) +{ + for (int i = 0; i < w; i++) + res[i] = clip_uint8 (x[i]); +} + +/* { dg-final { scan-tree-dump-times ".SAT_TRUNC " 1 "optimized" } } */ +/* { dg-final { scan-tree-dump-times "MAX_EXPR " 1 "optimized" } } */ +/* { dg-final { scan-assembler-times {vnclipu\.wi} 3 } } */ diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr120378-4.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr120378-4.c new file mode 100644 index 000000000000..4657e52f8839 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr120378-4.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gcv -mabi=lp64d -O3" } */ + +#include <stdint.h> + +inline uint16_t +clip_uint16 (int64_t x) +{ + return x & (~65535) ? (-x) >> 63 : x; +} + +void __attribute__ ((noipa)) +clip_loop (uint16_t *res, int64_t *x, int w) +{ + for (int i = 0; i < w; i++) + res[i] = clip_uint16 (x[i]); +} + +/* { dg-final { scan-tree-dump-times ".SAT_TRUNC " 1 "optimized" } } */ +/* { dg-final { scan-tree-dump-times "MAX_EXPR " 1 "optimized" } } */ +/* { dg-final { scan-assembler-times {vnclipu\.wi} 2 } } */
