4f40735c8
Denys Vlasenko
2022-02-06
Subject
libbb/sha256: code shrink in 32-bit x86
Binary
No binary (build failed)
Architecture & Compiler Flags
—
Build Log
(log yok)
Commit Diff GitHub →
libbb/hash_md5_sha256_x86-32_shaNI.S+48 -45
| @@ -31,7 +31,7 @@ | |
| #define MSGTMP1 %xmm4 | |
| #define MSGTMP2 %xmm5 | |
| #define MSGTMP3 %xmm6 | |
| - | #define MSGTMP4 %xmm7 |
| + | #define XMMTMP4 %xmm7 |
| .balign 8 # allow decoders to fetch at least 3 first insns | |
| sha256_process_block64_shaNI: | |
| @@ -45,10 +45,12 @@ 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 */ |
| + | /* XMMTMP4 holds flip mask from here... */ |
| + | mova128 PSHUFFLE_BSWAP32_FLIP_MASK, XMMTMP4 |
| movl $K256+8*16, SHA256CONSTANTS | |
| /* Save hash values for addition after rounds */ | |
| @@ -57,7 +59,7 @@ sha256_process_block64_shaNI: | |
| /* Rounds 0-3 */ | |
| movu128 0*16(DATA_PTR), MSG | |
| - | pshufb PSHUFFLE_BSWAP32_FLIP_MASK, MSG |
| + | pshufb XMMTMP4, MSG |
| mova128 MSG, MSGTMP0 | |
| paddd 0*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| @@ -66,7 +68,7 @@ sha256_process_block64_shaNI: | |
| /* Rounds 4-7 */ | |
| movu128 1*16(DATA_PTR), MSG | |
| - | pshufb PSHUFFLE_BSWAP32_FLIP_MASK, MSG |
| + | pshufb XMMTMP4, MSG |
| mova128 MSG, MSGTMP1 | |
| paddd 1*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| @@ -76,7 +78,7 @@ sha256_process_block64_shaNI: | |
| /* Rounds 8-11 */ | |
| movu128 2*16(DATA_PTR), MSG | |
| - | pshufb PSHUFFLE_BSWAP32_FLIP_MASK, MSG |
| + | pshufb XMMTMP4, MSG |
| mova128 MSG, MSGTMP2 | |
| paddd 2*16-8*16(SHA256CONSTANTS), MSG | |
| sha256rnds2 STATE0, STATE1 | |
| @@ -86,13 +88,14 @@ sha256_process_block64_shaNI: | |
| /* Rounds 12-15 */ | |
| movu128 3*16(DATA_PTR), MSG | |
| - | pshufb PSHUFFLE_BSWAP32_FLIP_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 | |
| @@ -102,9 +105,9 @@ 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 | |
| @@ -114,9 +117,9 @@ 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 | |
| @@ -126,9 +129,9 @@ 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 | |
| @@ -138,9 +141,9 @@ 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 | |
| @@ -150,9 +153,9 @@ 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 | |
| @@ -162,9 +165,9 @@ 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 | |
| @@ -174,9 +177,9 @@ 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 | |
| @@ -186,9 +189,9 @@ 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 | |
| @@ -198,9 +201,9 @@ 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 | |
| @@ -210,9 +213,9 @@ 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 | |
| @@ -221,9 +224,9 @@ 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 | |
| @@ -242,9 +245,9 @@ 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, 76+0*16(%eax) | |
| movu128 STATE1, 76+1*16(%eax) | |