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| author | Niels Möller <nisse@lysator.liu.se> | 2020-11-25 17:25:05 +0100 |
|---|---|---|
| committer | Niels Möller <nisse@lysator.liu.se> | 2020-11-25 17:25:05 +0100 |
| commit | 31bbf5342d49aec42c952c2aa2e3054f9b614f60 (patch) | |
| tree | edf338f9266b95f32736369a0e4fd5ee6906fd0a /powerpc64 | |
| parent | fd7c990e9b4b572a17822e4db51e945333748a22 (diff) | |
| parent | 92ca357741eaab223a62775adbfa2d271d36618e (diff) | |
| download | nettle-31bbf5342d49aec42c952c2aa2e3054f9b614f60.tar.gz | |
Merge branch 'ppc-gcm' into 'ppc-gcm'
[PowerPC64] Modify register defines in gcm-hash.asm
See merge request nettle/nettle!10
Diffstat (limited to 'powerpc64')
| -rw-r--r-- | powerpc64/p8/gcm-hash.asm | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/powerpc64/p8/gcm-hash.asm b/powerpc64/p8/gcm-hash.asm index 03389227..ad0ff6b3 100644 --- a/powerpc64/p8/gcm-hash.asm +++ b/powerpc64/p8/gcm-hash.asm @@ -126,12 +126,12 @@ IF_LE(` C --- Hp = (H mod x⁶⁴) × (x⁶⁴+x⁶³+x⁶²+x⁵⁷) mod P(X), deg(Hp) ≤ 127 --- C --- Hp = (H mod x⁶⁴) × (x⁶⁴+x⁶³+x⁶²+x⁵⁷) --- vpmsumd Hp,H,POLY_L C Hp = (H mod x⁶⁴) × (x⁶³+x⁶²+x⁵⁷) - xxmrgld VSR(Hl),VSR(H),VSR(ZERO) C Hl = (H mod x⁶⁴) × x⁶⁴ xxswapd VSR(Hm),VSR(H) - vxor Hl,Hl,Hp C Hl = Hl + Hp + xxmrgld VSR(Hl),VSR(H),VSR(ZERO) C Hl = (H mod x⁶⁴) × x⁶⁴ vxor Hm,Hm,Hp C Hm = Hm + Hp - xxmrghd VSR(H1M),VSR(H),VSR(Hl) C H1M = (H div x⁶⁴)||(Hl div x⁶⁴) + vxor Hl,Hl,Hp C Hl = Hl + Hp xxmrgld VSR(H1L),VSR(H),VSR(Hm) C H1L = (H mod x⁶⁴)||(Hl mod x⁶⁴) + xxmrghd VSR(H1M),VSR(H),VSR(Hl) C H1M = (H div x⁶⁴)||(Hl div x⁶⁴) vpmsumd F,H1L,H C F = (H1Lh × Hh) + (H1Ll × Hl) vpmsumd R,H1M,H C R = (H1Mh × Hh) + (H1Ml × Hl) @@ -208,8 +208,8 @@ define(`X', `r4') define(`LENGTH', `r5') define(`DATA', `r6') -define(`ZERO', `v18') -define(`POLY', `v19') +define(`ZERO', `v16') +define(`POLY', `v17') define(`POLY_L', `v0') define(`D', `v1') @@ -229,14 +229,14 @@ define(`R', `v14') define(`F', `v15') define(`R2', `v16') define(`F2', `v17') -define(`R3', `v18') -define(`F3', `v19') -define(`R4', `v20') -define(`F4', `v21') -define(`T', `v22') +define(`T', `v18') +define(`R3', `v20') +define(`F3', `v21') +define(`R4', `v22') +define(`F4', `v23') -define(`LE_TEMP', `v22') -define(`LE_MASK', `v23') +define(`LE_TEMP', `v18') +define(`LE_MASK', `v19') C void gcm_hash (const struct gcm_key *key, union gcm_block *x, C size_t length, const uint8_t *data) @@ -268,13 +268,13 @@ IF_LE(` C store non-volatile vector registers addi r8,SP,-64 - stvx 20,0,r8 + stvx v20,0,r8 addi r8,r8,16 - stvx 21,0,r8 + stvx v21,0,r8 addi r8,r8,16 - stvx 22,0,r8 + stvx v22,0,r8 addi r8,r8,16 - stvx 23,0,r8 + stvx v23,0,r8 C load table elements li r8,1*16 @@ -343,13 +343,13 @@ IF_LE(` C restore non-volatile vector registers addi r8,SP,-64 - lvx 20,0,r8 + lvx v20,0,r8 addi r8,r8,16 - lvx 21,0,r8 + lvx v21,0,r8 addi r8,r8,16 - lvx 22,0,r8 + lvx v22,0,r8 addi r8,r8,16 - lvx 23,0,r8 + lvx v23,0,r8 clrldi LENGTH,LENGTH,58 C 'set the high-order 58 bits to zeros' L2x: |