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sm4: ppc64x, missing macro

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Sun Yimin 2024-09-12 08:16:10 +08:00 committed by GitHub
parent 8de52628d2
commit 8c9a6283fe
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1 changed files with 19 additions and 0 deletions
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sm4/asm_ppc64x.s
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@ -139,6 +139,25 @@ GLOBL ·rcon(SB), RODATA, $192
VXOR x, t0, t0; \
VSLDOI $4, target, t0, target
// SM4 TAO L1 function
// parameters:
// - x: 128 bits register as TAO_L1 input/output data
// - tmp1: 128 bits temp register
// - tmp2: 128 bits temp register
// - tmp3: 128 bits temp register
#define SM4_TAO_L1(x, tmp1, tmp2, tmp3) \
SM4_SBOX(x, tmp1, tmp2); \
; \ //#################### 4 parallel L1 linear transforms ##################//
VSPLTISW $8, tmp3; \
VRLW x, tmp3, tmp1; \ // tmp1 = x <<< 8
VRLW tmp1, tmp3, tmp2; \ // tmp2 = x <<< 16
VXOR x, tmp1, tmp1; \ // tmp1 = x xor (x <<< 8)
VXOR tmp1, tmp2, tmp1; \ // tmp1 = x xor (x <<< 8) xor (x <<< 16)
VRLW tmp2, tmp3, tmp2; \ // tmp2 = x <<< 24
VXOR tmp2, x, x; \ // x = x xor (x <<< 24)
VSPLTISW $2, tmp3; \
VRLW tmp1, tmp3, tmp1; \ // tmp1 = (x xor (x <<< 8) xor (x <<< 16)) <<< 2
VXOR tmp1, x, x
// func expandKeyAsm(key *byte, ck, enc, dec *uint32, inst int)
TEXT ·expandKeyAsm(SB),NOSPLIT,$0