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[PULL 10/19] target/arm: Use clmul_32* routines
From: |
Richard Henderson |
Subject: |
[PULL 10/19] target/arm: Use clmul_32* routines |
Date: |
Fri, 15 Sep 2023 09:42:22 -0700 |
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>
---
target/arm/tcg/vec_helper.c | 14 +-------------
1 file changed, 1 insertion(+), 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
--
2.34.1
- [PULL 00/19] crypto: Provide clmul.h and host accel, Richard Henderson, 2023/09/15
- [PULL 01/19] crypto: Add generic 8-bit carry-less multiply routines, Richard Henderson, 2023/09/15
- [PULL 02/19] target/arm: Use clmul_8* routines, Richard Henderson, 2023/09/15
- [PULL 03/19] target/s390x: Use clmul_8* routines, Richard Henderson, 2023/09/15
- [PULL 04/19] target/ppc: Use clmul_8* routines, Richard Henderson, 2023/09/15
- [PULL 05/19] crypto: Add generic 16-bit carry-less multiply routines, Richard Henderson, 2023/09/15
- [PULL 06/19] target/arm: Use clmul_16* routines, Richard Henderson, 2023/09/15
- [PULL 07/19] target/s390x: Use clmul_16* routines, Richard Henderson, 2023/09/15
- [PULL 08/19] target/ppc: Use clmul_16* routines, Richard Henderson, 2023/09/15
- [PULL 09/19] crypto: Add generic 32-bit carry-less multiply routines, Richard Henderson, 2023/09/15
- [PULL 10/19] target/arm: Use clmul_32* routines,
Richard Henderson <=
- [PULL 12/19] target/ppc: Use clmul_32* routines, Richard Henderson, 2023/09/15
- [PULL 11/19] target/s390x: Use clmul_32* routines, Richard Henderson, 2023/09/15
- [PULL 15/19] target/i386: Use clmul_64, Richard Henderson, 2023/09/15
- [PULL 16/19] target/s390x: Use clmul_64, Richard Henderson, 2023/09/15
- [PULL 17/19] target/ppc: Use clmul_64, Richard Henderson, 2023/09/15
- [PULL 18/19] host/include/i386: Implement clmul.h, Richard Henderson, 2023/09/15
- [PULL 13/19] crypto: Add generic 64-bit carry-less multiply routine, Richard Henderson, 2023/09/15
- [PULL 14/19] target/arm: Use clmul_64, Richard Henderson, 2023/09/15
- [PULL 19/19] host/include/aarch64: Implement clmul.h, Richard Henderson, 2023/09/15
- Re: [PULL 00/19] crypto: Provide clmul.h and host accel, Stefan Hajnoczi, 2023/09/18