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/darwin-on-arm/xnu/libkern/crypto/intel/
H A Dsha1edp.s73 1. W0 = rotate_left(left_shift(concatenate(W8,W4),64) ^ W16 ^ W28 ^ W32, 2);
76 1. In total, we need 8 16-byte registers or memory for W0,W4,...,W28. W0 and W32 can be the same register or memory.
77 2. The registers are used in a circular buffering mode. For example, we start with W28,W24,...,W0 (with W0 indicating the most recent 16-byte)
78 i=0, W28,W24,...,W0
79 i=4, W24,W20,...,W28
112 #define stack_size (12+16*2+16*11+16*4) // 12-bytes (alignment) + extra 2 + 3 (W24/W28/XMM_SHUFB_BSWAP) + 8 (xmm0-xmm7) + 4 (WK(t))
121 // symbolizing registers or stack memory with algorithmic variables W0,W4,...,W28 + W_TMP, W_TMP2, and XMM_SHUFB_BSWAP for code with ssse3 support
133 #define W28 %xmm9 define
137 #define W28 13*16(sp) define
213 .macro W_PRECALC_00_15_1_ssse3 // input argument $0 : current 16-bytes in the circular buffer, one of W0,W4,W8,...,W28
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