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authorRichard Henderson <richard.henderson@linaro.org>2023-07-11 09:56:41 +0100
committerRichard Henderson <richard.henderson@linaro.org>2023-09-15 13:57:00 +0000
commitbae25f648e3cbf7755c74aef2278be7332190e53 (patch)
treefb9323d9c39846ff181c538bd6b852380497f404
parent9a65a570fab1bf2e907d593631a6b588a821d365 (diff)
target/arm: Use clmul_32* routines
Use generic routines for 32-bit carry-less multiply. Remove our local version of pmull_d. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--target/arm/tcg/vec_helper.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/target/arm/tcg/vec_helper.c b/target/arm/tcg/vec_helper.c
index 5def86b573..ffb4b44ce4 100644
--- a/target/arm/tcg/vec_helper.c
+++ b/target/arm/tcg/vec_helper.c
@@ -2055,18 +2055,6 @@ void HELPER(sve2_pmull_h)(void *vd, void *vn, void *vm, uint32_t desc)
}
}
-static uint64_t pmull_d(uint64_t op1, uint64_t op2)
-{
- uint64_t result = 0;
- int i;
-
- for (i = 0; i < 32; ++i) {
- uint64_t mask = -((op1 >> i) & 1);
- result ^= (op2 << i) & mask;
- }
- return result;
-}
-
void HELPER(sve2_pmull_d)(void *vd, void *vn, void *vm, uint32_t desc)
{
intptr_t sel = H4(simd_data(desc));
@@ -2075,7 +2063,7 @@ void HELPER(sve2_pmull_d)(void *vd, void *vn, void *vm, uint32_t desc)
uint64_t *d = vd;
for (i = 0; i < opr_sz / 8; ++i) {
- d[i] = pmull_d(n[2 * i + sel], m[2 * i + sel]);
+ d[i] = clmul_32(n[2 * i + sel], m[2 * i + sel]);
}
}
#endif