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sm4: try VNAND

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Sun Yimin 2024-09-11 08:50:40 +08:00 committed by GitHub
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sm4/asm_ppc64x.s
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@ -101,7 +101,7 @@ GLOBL ·rcon(SB), RODATA, $192
// - y: 128 bits temp register // - y: 128 bits temp register
// - z: 128 bits temp register // - z: 128 bits temp register
#define AFFINE_TRANSFORM_N(L, H, V_FOUR, x, y, z) \ #define AFFINE_TRANSFORM_N(L, H, V_FOUR, x, y, z) \
VNAND NIBBLE_MASK, x, z; \ VNAND x, NIBBLE_MASK, z; \
VPERM L, L, z, y; \ VPERM L, L, z, y; \
VSRW x, V_FOUR, x; \ VSRW x, V_FOUR, x; \
VAND NIBBLE_MASK, x, z; \ VAND NIBBLE_MASK, x, z; \