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| author | Mamone Tarsha <maamoun.tk@googlemail.com> | 2021-10-22 15:08:04 +0200 |
|---|---|---|
| committer | Mamone Tarsha <maamoun.tk@googlemail.com> | 2021-10-22 15:08:04 +0200 |
| commit | 259ec19afbb3645d796aa31014416848b80912b2 (patch) | |
| tree | 0cb29a6b7ff45a40f094931bea64dcf4bfad7953 /s390x/vf | |
| parent | 806d6f6aacdf8b833476e9b55d56a93bb05514b3 (diff) | |
| download | nettle-259ec19afbb3645d796aa31014416848b80912b2.tar.gz | |
[S390x] Remove lgr instructions by using xgrk instead of xgr instruction
Diffstat (limited to 's390x/vf')
| -rw-r--r-- | s390x/vf/sha3-permute.asm | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/s390x/vf/sha3-permute.asm b/s390x/vf/sha3-permute.asm index 4f4a4717..517ce894 100644 --- a/s390x/vf/sha3-permute.asm +++ b/s390x/vf/sha3-permute.asm @@ -1,4 +1,4 @@ -C s390x/msa_x6/sha3-permute.asm +C s390x/vf/sha3-permute.asm ifelse(` Copyright (C) 2012 Niels Möller @@ -65,15 +65,15 @@ define(`D34', `%v27') C Wide temporaries define(`W0', `%v28') define(`W1', `%v29') -define(`W2', `%v30') C Overlap D12 -define(`W3', `%v31') C Overlap D34 +define(`W2', `%v30') +define(`W3', `%v31') define(`TMP', `%r9') define(`T0', `%r10') define(`T1', `%r11') -define(`T2', `%r12') C Overlap D0 -define(`T3', `%r13') C Overlap C0 +define(`T2', `%r12') +define(`T3', `%r13') define(`RC', `%r14') @@ -97,12 +97,11 @@ PROLOGUE(nettle_sha3_permute) lg A00,0*8(STATE) vl A0102,1*8(STATE) vl A0304,3*8(STATE) - lgr C0,A00 lg A05,5*8(STATE) vl A0607,6*8(STATE) vl A0809,8*8(STATE) - xgr C0,A05 + xgrk C0,A00,A05 vx C12,A0102,A0607 vx C34,A0304,A0809 @@ -231,22 +230,17 @@ PROLOGUE(nettle_sha3_permute) C chi step. With the transposed matrix, applied independently C to each column. lghi TMP,-1 - lgr T0,A05 - xgr T0,TMP + xgrk T0,A05,TMP ngr T0,A10 - lgr T1,A10 - xgr T1,TMP + xgrk T1,A10,TMP ngr T1,A15 - lgr T2,A15 - xgr T2,TMP + xgrk T2,A15,TMP ngr T2,A20 xgr A10,T2 - lgr T3,A20 - xgr T3,TMP + xgrk T3,A20,TMP ngr T3,A00 xgr A15,T3 - lgr T2,A00 - xgr T2,TMP + xgrk T2,A00,TMP ngr T2,A05 xgr A20,T2 xgr A00,T0 @@ -285,10 +279,9 @@ PROLOGUE(nettle_sha3_permute) vlvgg C34,A15,0 vlvgg W0,A10,0 vlvgg W1,A20,0 - lgr C0,A00 vlgvg A05,A0102,0 vlgvg A15,A0304,0 - xgr C0,A05 + xgrk C0,A00,A05 xgr C0,A15 vlgvg A10,A0102,1 vlgvg A20,A0304,1 |