31c1c3107
Denys Vlasenko
2022-02-06
Subject
libbb/sha256: code shrink in 64-bit x86
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libbb/hash_md5_sha256_x86-64_shaNI.S+48 -48
| @@ -31,9 +31,7 @@ | |
| #define MSGTMP1 %xmm4 | |
| #define MSGTMP2 %xmm5 | |
| #define MSGTMP3 %xmm6 | |
| - | #define MSGTMP4 %xmm7 |
| - | |
| - | #define SHUF_MASK %xmm8 |
| + | #define XMMTMP4 %xmm7 |
| #define ABEF_SAVE %xmm9 | |
| #define CDGH_SAVE %xmm10 | |
| @@ -45,11 +43,12 @@ sha256_process_block64_shaNI: | |
| shuf128_32 $0xB1, STATE0, STATE0 /* CDAB */ | |
| shuf128_32 $0x1B, STATE1, STATE1 /* EFGH */ | |
| - | mova128 STATE0, MSGTMP4 |
| + | mova128 STATE0, XMMTMP4 |
| palignr $8, STATE1, STATE0 /* ABEF */ | |
| - | pblendw $0xF0, MSGTMP4, STATE1 /* CDGH */ |
| + | pblendw $0xF0, XMMTMP4, STATE1 /* CDGH */ |
| - | mova128 PSHUFFLE_BSWAP32_FLIP_MASK(%rip), SHUF_MASK |
| + | /* XMMTMP4 holds flip mask from here... */ |
| + | mova128 PSHUFFLE_BSWAP32_FLIP_MASK(%rip), XMMTMP4 |
| leaq K256+8*16(%rip), SHA256CONSTANTS | |
| /* Save hash values for addition after rounds */ | |
| @@ -58,7 +57,7 @@ sha256_process_block64_shaNI: | |
| /* Rounds 0-3 */ | |
| movu128 0*16(DATA_PTR), MSG | |
| - | pshufb SHUF_MASK, MSG |
| + | pshufb XMMTMP4, MSG |
| mova128 MSG, MSGTMP0 | |
| paddd 0*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| @@ -67,7 +66,7 @@ sha256_process_block64_shaNI: | |
| /* Rounds 4-7 */ | |
| movu128 1*16(DATA_PTR), MSG | |
| - | pshufb SHUF_MASK, MSG |
| + | pshufb XMMTMP4, MSG |
| mova128 MSG, MSGTMP1 | |
| paddd 1*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| @@ -77,7 +76,7 @@ sha256_process_block64_shaNI: | |
| /* Rounds 8-11 */ | |
| movu128 2*16(DATA_PTR), MSG | |
| - | pshufb SHUF_MASK, MSG |
| + | pshufb XMMTMP4, MSG |
| mova128 MSG, MSGTMP2 | |
| paddd 2*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| @@ -87,13 +86,14 @@ sha256_process_block64_shaNI: | |
| /* Rounds 12-15 */ | |
| movu128 3*16(DATA_PTR), MSG | |
| - | pshufb SHUF_MASK, MSG |
| + | pshufb XMMTMP4, MSG |
| + | /* ...to here */ |
| mova128 MSG, MSGTMP3 | |
| paddd 3*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| - | mova128 MSGTMP3, MSGTMP4 |
| - | palignr $4, MSGTMP2, MSGTMP4 |
| - | paddd MSGTMP4, MSGTMP0 |
| + | mova128 MSGTMP3, XMMTMP4 |
| + | palignr $4, MSGTMP2, XMMTMP4 |
| + | paddd XMMTMP4, MSGTMP0 |
| sha256msg2 MSGTMP3, MSGTMP0 | |
| shuf128_32 $0x0E, MSG, MSG | |
| sha256rnds2 STATE1, STATE0 | |
| @@ -103,9 +103,9 @@ sha256_process_block64_shaNI: | |
| mova128 MSGTMP0, MSG | |
| paddd 4*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| - | mova128 MSGTMP0, MSGTMP4 |
| - | palignr $4, MSGTMP3, MSGTMP4 |
| - | paddd MSGTMP4, MSGTMP1 |
| + | mova128 MSGTMP0, XMMTMP4 |
| + | palignr $4, MSGTMP3, XMMTMP4 |
| + | paddd XMMTMP4, MSGTMP1 |
| sha256msg2 MSGTMP0, MSGTMP1 | |
| shuf128_32 $0x0E, MSG, MSG | |
| sha256rnds2 STATE1, STATE0 | |
| @@ -115,9 +115,9 @@ sha256_process_block64_shaNI: | |
| mova128 MSGTMP1, MSG | |
| paddd 5*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| - | mova128 MSGTMP1, MSGTMP4 |
| - | palignr $4, MSGTMP0, MSGTMP4 |
| - | paddd MSGTMP4, MSGTMP2 |
| + | mova128 MSGTMP1, XMMTMP4 |
| + | palignr $4, MSGTMP0, XMMTMP4 |
| + | paddd XMMTMP4, MSGTMP2 |
| sha256msg2 MSGTMP1, MSGTMP2 | |
| shuf128_32 $0x0E, MSG, MSG | |
| sha256rnds2 STATE1, STATE0 | |
| @@ -127,9 +127,9 @@ sha256_process_block64_shaNI: | |
| mova128 MSGTMP2, MSG | |
| paddd 6*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| - | mova128 MSGTMP2, MSGTMP4 |
| - | palignr $4, MSGTMP1, MSGTMP4 |
| - | paddd MSGTMP4, MSGTMP3 |
| + | mova128 MSGTMP2, XMMTMP4 |
| + | palignr $4, MSGTMP1, XMMTMP4 |
| + | paddd XMMTMP4, MSGTMP3 |
| sha256msg2 MSGTMP2, MSGTMP3 | |
| shuf128_32 $0x0E, MSG, MSG | |
| sha256rnds2 STATE1, STATE0 | |
| @@ -139,9 +139,9 @@ sha256_process_block64_shaNI: | |
| mova128 MSGTMP3, MSG | |
| paddd 7*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| - | mova128 MSGTMP3, MSGTMP4 |
| - | palignr $4, MSGTMP2, MSGTMP4 |
| - | paddd MSGTMP4, MSGTMP0 |
| + | mova128 MSGTMP3, XMMTMP4 |
| + | palignr $4, MSGTMP2, XMMTMP4 |
| + | paddd XMMTMP4, MSGTMP0 |
| sha256msg2 MSGTMP3, MSGTMP0 | |
| shuf128_32 $0x0E, MSG, MSG | |
| sha256rnds2 STATE1, STATE0 | |
| @@ -151,9 +151,9 @@ sha256_process_block64_shaNI: | |
| mova128 MSGTMP0, MSG | |
| paddd 8*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| - | mova128 MSGTMP0, MSGTMP4 |
| - | palignr $4, MSGTMP3, MSGTMP4 |
| - | paddd MSGTMP4, MSGTMP1 |
| + | mova128 MSGTMP0, XMMTMP4 |
| + | palignr $4, MSGTMP3, XMMTMP4 |
| + | paddd XMMTMP4, MSGTMP1 |
| sha256msg2 MSGTMP0, MSGTMP1 | |
| shuf128_32 $0x0E, MSG, MSG | |
| sha256rnds2 STATE1, STATE0 | |
| @@ -163,9 +163,9 @@ sha256_process_block64_shaNI: | |
| mova128 MSGTMP1, MSG | |
| paddd 9*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| - | mova128 MSGTMP1, MSGTMP4 |
| - | palignr $4, MSGTMP0, MSGTMP4 |
| - | paddd MSGTMP4, MSGTMP2 |
| + | mova128 MSGTMP1, XMMTMP4 |
| + | palignr $4, MSGTMP0, XMMTMP4 |
| + | paddd XMMTMP4, MSGTMP2 |
| sha256msg2 MSGTMP1, MSGTMP2 | |
| shuf128_32 $0x0E, MSG, MSG | |
| sha256rnds2 STATE1, STATE0 | |
| @@ -175,9 +175,9 @@ sha256_process_block64_shaNI: | |
| mova128 MSGTMP2, MSG | |
| paddd 10*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| - | mova128 MSGTMP2, MSGTMP4 |
| - | palignr $4, MSGTMP1, MSGTMP4 |
| - | paddd MSGTMP4, MSGTMP3 |
| + | mova128 MSGTMP2, XMMTMP4 |
| + | palignr $4, MSGTMP1, XMMTMP4 |
| + | paddd XMMTMP4, MSGTMP3 |
| sha256msg2 MSGTMP2, MSGTMP3 | |
| shuf128_32 $0x0E, MSG, MSG | |
| sha256rnds2 STATE1, STATE0 | |
| @@ -187,9 +187,9 @@ sha256_process_block64_shaNI: | |
| mova128 MSGTMP3, MSG | |
| paddd 11*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| - | mova128 MSGTMP3, MSGTMP4 |
| - | palignr $4, MSGTMP2, MSGTMP4 |
| - | paddd MSGTMP4, MSGTMP0 |
| + | mova128 MSGTMP3, XMMTMP4 |
| + | palignr $4, MSGTMP2, XMMTMP4 |
| + | paddd XMMTMP4, MSGTMP0 |
| sha256msg2 MSGTMP3, MSGTMP0 | |
| shuf128_32 $0x0E, MSG, MSG | |
| sha256rnds2 STATE1, STATE0 | |
| @@ -199,9 +199,9 @@ sha256_process_block64_shaNI: | |
| mova128 MSGTMP0, MSG | |
| paddd 12*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| - | mova128 MSGTMP0, MSGTMP4 |
| - | palignr $4, MSGTMP3, MSGTMP4 |
| - | paddd MSGTMP4, MSGTMP1 |
| + | mova128 MSGTMP0, XMMTMP4 |
| + | palignr $4, MSGTMP3, XMMTMP4 |
| + | paddd XMMTMP4, MSGTMP1 |
| sha256msg2 MSGTMP0, MSGTMP1 | |
| shuf128_32 $0x0E, MSG, MSG | |
| sha256rnds2 STATE1, STATE0 | |
| @@ -211,9 +211,9 @@ sha256_process_block64_shaNI: | |
| mova128 MSGTMP1, MSG | |
| paddd 13*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| - | mova128 MSGTMP1, MSGTMP4 |
| - | palignr $4, MSGTMP0, MSGTMP4 |
| - | paddd MSGTMP4, MSGTMP2 |
| + | mova128 MSGTMP1, XMMTMP4 |
| + | palignr $4, MSGTMP0, XMMTMP4 |
| + | paddd XMMTMP4, MSGTMP2 |
| sha256msg2 MSGTMP1, MSGTMP2 | |
| shuf128_32 $0x0E, MSG, MSG | |
| sha256rnds2 STATE1, STATE0 | |
| @@ -222,9 +222,9 @@ sha256_process_block64_shaNI: | |
| mova128 MSGTMP2, MSG | |
| paddd 14*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| - | mova128 MSGTMP2, MSGTMP4 |
| - | palignr $4, MSGTMP1, MSGTMP4 |
| - | paddd MSGTMP4, MSGTMP3 |
| + | mova128 MSGTMP2, XMMTMP4 |
| + | palignr $4, MSGTMP1, XMMTMP4 |
| + | paddd XMMTMP4, MSGTMP3 |
| sha256msg2 MSGTMP2, MSGTMP3 | |
| shuf128_32 $0x0E, MSG, MSG | |
| sha256rnds2 STATE1, STATE0 | |
| @@ -243,9 +243,9 @@ sha256_process_block64_shaNI: | |
| /* Write hash values back in the correct order */ | |
| shuf128_32 $0x1B, STATE0, STATE0 /* FEBA */ | |
| shuf128_32 $0xB1, STATE1, STATE1 /* DCHG */ | |
| - | mova128 STATE0, MSGTMP4 |
| + | mova128 STATE0, XMMTMP4 |
| pblendw $0xF0, STATE1, STATE0 /* DCBA */ | |
| - | palignr $8, MSGTMP4, STATE1 /* HGFE */ |
| + | palignr $8, XMMTMP4, STATE1 /* HGFE */ |
| movu128 STATE0, 80+0*16(%rdi) | |
| movu128 STATE1, 80+1*16(%rdi) | |