diff options
author | Andy Polyakov <appro@openssl.org> | 2016-05-23 20:34:11 +0200 |
---|---|---|
committer | Andy Polyakov <appro@openssl.org> | 2016-06-14 23:28:39 +0200 |
commit | cc77d0d84ab8e476f74373cad3d65210042baf02 (patch) | |
tree | 7d7d9ee110f6fc6a1b2c07d32ddf96c5dd6201a1 /crypto/modes | |
parent | 627c95337611151b4293944e1b706fea7e1ba5dc (diff) |
modes/asm/ghashp8-ppc.pl: improve performance by 2.7x.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Diffstat (limited to 'crypto/modes')
-rwxr-xr-x | crypto/modes/asm/ghashp8-ppc.pl | 469 |
1 files changed, 449 insertions, 20 deletions
diff --git a/crypto/modes/asm/ghashp8-ppc.pl b/crypto/modes/asm/ghashp8-ppc.pl index 70a63537fb..f0598cb28c 100755 --- a/crypto/modes/asm/ghashp8-ppc.pl +++ b/crypto/modes/asm/ghashp8-ppc.pl @@ -25,6 +25,12 @@ # faster than "4-bit" integer-only compiler-generated 64-bit code. # "Initial version" means that there is room for futher improvement. +# May 2016 +# +# 2x aggregated reduction improves performance by 50% (resulting +# performance on POWER8 is 1 cycle per processed byte), and 4x +# aggregated reduction - by 170% or 2.7x (resulting in 0.55 cpb). + $flavour=shift; $output =shift; @@ -34,14 +40,21 @@ if ($flavour =~ /64/) { $STU="stdu"; $POP="ld"; $PUSH="std"; + $UCMP="cmpld"; + $SHRI="srdi"; } elsif ($flavour =~ /32/) { $SIZE_T=4; $LRSAVE=$SIZE_T; $STU="stwu"; $POP="lwz"; $PUSH="stw"; + $UCMP="cmplw"; + $SHRI="srwi"; } else { die "nonsense $flavour"; } +$sp="r1"; +$FRAME=6*$SIZE_T+13*16; # 13*16 is for v20-v31 offload + $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; ( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or ( $xlate="${dir}../../perlasm/ppc-xlate.pl" and -f $xlate) or @@ -53,6 +66,7 @@ my ($Xip,$Htbl,$inp,$len)=map("r$_",(3..6)); # argument block my ($Xl,$Xm,$Xh,$IN)=map("v$_",(0..3)); my ($zero,$t0,$t1,$t2,$xC2,$H,$Hh,$Hl,$lemask)=map("v$_",(4..12)); +my ($Xl1,$Xm1,$Xh1,$IN1,$H2,$H2h,$H2l)=map("v$_",(13..19)); my $vrsave="r12"; $code=<<___; @@ -63,7 +77,7 @@ $code=<<___; .globl .gcm_init_p8 .align 5 .gcm_init_p8: - lis r0,0xfff0 + li r0,-4096 li r8,0x10 mfspr $vrsave,256 li r9,0x20 @@ -85,17 +99,103 @@ $code=<<___; vsl $H,$H,$t0 # H<<=1 vsrab $t1,$t1,$t2 # broadcast carry bit vand $t1,$t1,$xC2 - vxor $H,$H,$t1 # twisted H + vxor $IN,$H,$t1 # twisted H - vsldoi $H,$H,$H,8 # twist even more ... + vsldoi $H,$IN,$IN,8 # twist even more ... vsldoi $xC2,$zero,$xC2,8 # 0xc2.0 vsldoi $Hl,$zero,$H,8 # ... and split vsldoi $Hh,$H,$zero,8 stvx_u $xC2,0,r3 # save pre-computed table stvx_u $Hl,r8,r3 + li r8,0x40 stvx_u $H, r9,r3 + li r9,0x50 + stvx_u $Hh,r10,r3 + li r10,0x60 + + vpmsumd $Xl,$IN,$Hl # H.lo·H.lo + vpmsumd $Xm,$IN,$H # H.hi·H.lo+H.lo·H.hi + vpmsumd $Xh,$IN,$Hh # H.hi·H.hi + + vpmsumd $t2,$Xl,$xC2 # 1st reduction phase + + vsldoi $t0,$Xm,$zero,8 + vsldoi $t1,$zero,$Xm,8 + vxor $Xl,$Xl,$t0 + vxor $Xh,$Xh,$t1 + + vsldoi $Xl,$Xl,$Xl,8 + vxor $Xl,$Xl,$t2 + + vsldoi $t1,$Xl,$Xl,8 # 2nd reduction phase + vpmsumd $Xl,$Xl,$xC2 + vxor $t1,$t1,$Xh + vxor $IN1,$Xl,$t1 + + vsldoi $H2,$IN1,$IN1,8 + vsldoi $H2l,$zero,$H2,8 + vsldoi $H2h,$H2,$zero,8 + + stvx_u $H2l,r8,r3 # save H^2 + li r8,0x70 + stvx_u $H2,r9,r3 + li r9,0x80 + stvx_u $H2h,r10,r3 + li r10,0x90 +___ +{ +my ($t4,$t5,$t6) = ($Hl,$H,$Hh); +$code.=<<___; + vpmsumd $Xl,$IN,$H2l # H.lo·H^2.lo + vpmsumd $Xl1,$IN1,$H2l # H^2.lo·H^2.lo + vpmsumd $Xm,$IN,$H2 # H.hi·H^2.lo+H.lo·H^2.hi + vpmsumd $Xm1,$IN1,$H2 # H^2.hi·H^2.lo+H^2.lo·H^2.hi + vpmsumd $Xh,$IN,$H2h # H.hi·H^2.hi + vpmsumd $Xh1,$IN1,$H2h # H^2.hi·H^2.hi + + vpmsumd $t2,$Xl,$xC2 # 1st reduction phase + vpmsumd $t6,$Xl1,$xC2 # 1st reduction phase + + vsldoi $t0,$Xm,$zero,8 + vsldoi $t1,$zero,$Xm,8 + vsldoi $t4,$Xm1,$zero,8 + vsldoi $t5,$zero,$Xm1,8 + vxor $Xl,$Xl,$t0 + vxor $Xh,$Xh,$t1 + vxor $Xl1,$Xl1,$t4 + vxor $Xh1,$Xh1,$t5 + + vsldoi $Xl,$Xl,$Xl,8 + vsldoi $Xl1,$Xl1,$Xl1,8 + vxor $Xl,$Xl,$t2 + vxor $Xl1,$Xl1,$t6 + + vsldoi $t1,$Xl,$Xl,8 # 2nd reduction phase + vsldoi $t5,$Xl1,$Xl1,8 # 2nd reduction phase + vpmsumd $Xl,$Xl,$xC2 + vpmsumd $Xl1,$Xl1,$xC2 + vxor $t1,$t1,$Xh + vxor $t5,$t5,$Xh1 + vxor $Xl,$Xl,$t1 + vxor $Xl1,$Xl1,$t5 + + vsldoi $H,$Xl,$Xl,8 + vsldoi $H2,$Xl1,$Xl1,8 + vsldoi $Hl,$zero,$H,8 + vsldoi $Hh,$H,$zero,8 + vsldoi $H2l,$zero,$H2,8 + vsldoi $H2h,$H2,$zero,8 + + stvx_u $Hl,r8,r3 # save H^3 + li r8,0xa0 + stvx_u $H,r9,r3 + li r9,0xb0 stvx_u $Hh,r10,r3 + li r10,0xc0 + stvx_u $H2l,r8,r3 # save H^4 + stvx_u $H2,r9,r3 + stvx_u $H2h,r10,r3 mtspr 256,$vrsave blr @@ -103,7 +203,9 @@ $code=<<___; .byte 0,12,0x14,0,0,0,2,0 .long 0 .size .gcm_init_p8,.-.gcm_init_p8 - +___ +} +$code.=<<___; .globl .gcm_gmult_p8 .align 5 .gcm_gmult_p8: @@ -129,7 +231,7 @@ $code=<<___; vpmsumd $Xm,$IN,$H # H.hi·Xi.lo+H.lo·Xi.hi vpmsumd $Xh,$IN,$Hh # H.hi·Xi.hi - vpmsumd $t2,$Xl,$xC2 # 1st phase + vpmsumd $t2,$Xl,$xC2 # 1st reduction phase vsldoi $t0,$Xm,$zero,8 vsldoi $t1,$zero,$Xm,8 @@ -139,7 +241,7 @@ $code=<<___; vsldoi $Xl,$Xl,$Xl,8 vxor $Xl,$Xl,$t2 - vsldoi $t1,$Xl,$Xl,8 # 2nd phase + vsldoi $t1,$Xl,$Xl,8 # 2nd reduction phase vpmsumd $Xl,$Xl,$xC2 vxor $t1,$t1,$Xh vxor $Xl,$Xl,$t1 @@ -157,7 +259,7 @@ $code=<<___; .globl .gcm_ghash_p8 .align 5 .gcm_ghash_p8: - lis r0,0xfff8 + li r0,-4096 li r8,0x10 mfspr $vrsave,256 li r9,0x20 @@ -166,52 +268,99 @@ $code=<<___; lvx_u $Xl,0,$Xip # load Xi lvx_u $Hl,r8,$Htbl # load pre-computed table + li r8,0x40 le?lvsl $lemask,r0,r0 lvx_u $H, r9,$Htbl + li r9,0x50 le?vspltisb $t0,0x07 lvx_u $Hh,r10,$Htbl + li r10,0x60 le?vxor $lemask,$lemask,$t0 lvx_u $xC2,0,$Htbl le?vperm $Xl,$Xl,$Xl,$lemask vxor $zero,$zero,$zero + ${UCMP}i $len,64 + bge Lgcm_ghash_p8_4x + lvx_u $IN,0,$inp addi $inp,$inp,16 - subi $len,$len,16 + subic. $len,$len,16 le?vperm $IN,$IN,$IN,$lemask vxor $IN,$IN,$Xl - b Loop + beq Lshort + + lvx_u $H2l,r8,$Htbl # load H^2 + li r8,16 + lvx_u $H2, r9,$Htbl + add r9,$inp,$len # end of input + lvx_u $H2h,r10,$Htbl + be?b Loop_2x .align 5 -Loop: - subic $len,$len,16 - vpmsumd $Xl,$IN,$Hl # H.lo·Xi.lo - subfe. r0,r0,r0 # borrow?-1:0 - vpmsumd $Xm,$IN,$H # H.hi·Xi.lo+H.lo·Xi.hi +Loop_2x: + lvx_u $IN1,0,$inp + le?vperm $IN1,$IN1,$IN1,$lemask + + subic $len,$len,32 + vpmsumd $Xl,$IN,$H2l # H^2.lo·Xi.lo + vpmsumd $Xl1,$IN1,$Hl # H.lo·Xi+1.lo + subfe r0,r0,r0 # borrow?-1:0 + vpmsumd $Xm,$IN,$H2 # H^2.hi·Xi.lo+H^2.lo·Xi.hi + vpmsumd $Xm1,$IN1,$H # H.hi·Xi+1.lo+H.lo·Xi+1.hi and r0,r0,$len - vpmsumd $Xh,$IN,$Hh # H.hi·Xi.hi + vpmsumd $Xh,$IN,$H2h # H^2.hi·Xi.hi + vpmsumd $Xh1,$IN1,$Hh # H.hi·Xi+1.hi add $inp,$inp,r0 - vpmsumd $t2,$Xl,$xC2 # 1st phase + vxor $Xl,$Xl,$Xl1 + vxor $Xm,$Xm,$Xm1 + + vpmsumd $t2,$Xl,$xC2 # 1st reduction phase vsldoi $t0,$Xm,$zero,8 vsldoi $t1,$zero,$Xm,8 + vxor $Xh,$Xh,$Xh1 vxor $Xl,$Xl,$t0 vxor $Xh,$Xh,$t1 vsldoi $Xl,$Xl,$Xl,8 vxor $Xl,$Xl,$t2 - lvx_u $IN,0,$inp - addi $inp,$inp,16 + lvx_u $IN,r8,$inp + addi $inp,$inp,32 - vsldoi $t1,$Xl,$Xl,8 # 2nd phase + vsldoi $t1,$Xl,$Xl,8 # 2nd reduction phase vpmsumd $Xl,$Xl,$xC2 le?vperm $IN,$IN,$IN,$lemask vxor $t1,$t1,$Xh vxor $IN,$IN,$t1 vxor $IN,$IN,$Xl - beq Loop # did $len-=16 borrow? + $UCMP r9,$inp + bgt Loop_2x # done yet? + + cmplwi $len,0 + bne Leven + +Lshort: + vpmsumd $Xl,$IN,$Hl # H.lo·Xi.lo + vpmsumd $Xm,$IN,$H # H.hi·Xi.lo+H.lo·Xi.hi + vpmsumd $Xh,$IN,$Hh # H.hi·Xi.hi + + vpmsumd $t2,$Xl,$xC2 # 1st reduction phase + + vsldoi $t0,$Xm,$zero,8 + vsldoi $t1,$zero,$Xm,8 + vxor $Xl,$Xl,$t0 + vxor $Xh,$Xh,$t1 + + vsldoi $Xl,$Xl,$Xl,8 + vxor $Xl,$Xl,$t2 + + vsldoi $t1,$Xl,$Xl,8 # 2nd reduction phase + vpmsumd $Xl,$Xl,$xC2 + vxor $t1,$t1,$Xh +Leven: vxor $Xl,$Xl,$t1 le?vperm $Xl,$Xl,$Xl,$lemask stvx_u $Xl,0,$Xip # write out Xi @@ -221,6 +370,284 @@ Loop: .long 0 .byte 0,12,0x14,0,0,0,4,0 .long 0 +___ +{ +my ($Xl3,$Xm2,$IN2,$H3l,$H3,$H3h, + $Xh3,$Xm3,$IN3,$H4l,$H4,$H4h) = map("v$_",(20..31)); +my $IN0=$IN; +my ($H21l,$H21h,$loperm,$hiperm) = ($Hl,$Hh,$H2l,$H2h); + +$code.=<<___; +.align 5 +.gcm_ghash_p8_4x: +Lgcm_ghash_p8_4x: + $STU $sp,-$FRAME($sp) + li r10,`15+6*$SIZE_T` + li r11,`31+6*$SIZE_T` + stvx v20,r10,$sp + addi r10,r10,32 + stvx v21,r11,$sp + addi r11,r11,32 + stvx v22,r10,$sp + addi r10,r10,32 + stvx v23,r11,$sp + addi r11,r11,32 + stvx v24,r10,$sp + addi r10,r10,32 + stvx v25,r11,$sp + addi r11,r11,32 + stvx v26,r10,$sp + addi r10,r10,32 + stvx v27,r11,$sp + addi r11,r11,32 + stvx v28,r10,$sp + addi r10,r10,32 + stvx v29,r11,$sp + addi r11,r11,32 + stvx v30,r10,$sp + li r10,0x60 + stvx v31,r11,$sp + li r0,-1 + stw $vrsave,`$FRAME-4`($sp) # save vrsave + mtspr 256,r0 # preserve all AltiVec registers + + lvsl $t0,0,r8 # 0x0001..0e0f + #lvx_u $H2l,r8,$Htbl # load H^2 + li r8,0x70 + lvx_u $H2, r9,$Htbl + li r9,0x80 + vspltisb $t1,8 # 0x0808..0808 + #lvx_u $H2h,r10,$Htbl + li r10,0x90 + lvx_u $H3l,r8,$Htbl # load H^3 + li r8,0xa0 + lvx_u $H3, r9,$Htbl + li r9,0xb0 + lvx_u $H3h,r10,$Htbl + li r10,0xc0 + lvx_u $H4l,r8,$Htbl # load H^4 + li r8,0x10 + lvx_u $H4, r9,$Htbl + li r9,0x20 + lvx_u $H4h,r10,$Htbl + li r10,0x30 + + vsldoi $t2,$zero,$t1,8 # 0x0000..0808 + vaddubm $hiperm,$t0,$t2 # 0x0001..1617 + vaddubm $loperm,$t1,$hiperm # 0x0809..1e1f + + $SHRI $len,$len,4 # this allows to use sign bit + # as carry + lvx_u $IN0,0,$inp # load input + lvx_u $IN1,r8,$inp + subic. $len,$len,8 + lvx_u $IN2,r9,$inp + lvx_u $IN3,r10,$inp + addi $inp,$inp,0x40 + le?vperm $IN0,$IN0,$IN0,$lemask + le?vperm $IN1,$IN1,$IN1,$lemask + le?vperm $IN2,$IN2,$IN2,$lemask + le?vperm $IN3,$IN3,$IN3,$lemask + + vxor $Xh,$IN0,$Xl + + vpmsumd $Xl1,$IN1,$H3l + vpmsumd $Xm1,$IN1,$H3 + vpmsumd $Xh1,$IN1,$H3h + + vperm $H21l,$H2,$H,$hiperm + vperm $t0,$IN2,$IN3,$loperm + vperm $H21h,$H2,$H,$loperm + vperm $t1,$IN2,$IN3,$hiperm + vpmsumd $Xm2,$IN2,$H2 # H^2.lo·Xi+2.hi+H^2.hi·Xi+2.lo + vpmsumd $Xl3,$t0,$H21l # H^2.lo·Xi+2.lo+H.lo·Xi+3.lo + vpmsumd $Xm3,$IN3,$H # H.hi·Xi+3.lo +H.lo·Xi+3.hi + vpmsumd $Xh3,$t1,$H21h # H^2.hi·Xi+2.hi+H.hi·Xi+3.hi + + vxor $Xm2,$Xm2,$Xm1 + vxor $Xl3,$Xl3,$Xl1 + vxor $Xm3,$Xm3,$Xm2 + vxor $Xh3,$Xh3,$Xh1 + + blt Ltail_4x + +Loop_4x: + lvx_u $IN0,0,$inp + lvx_u $IN1,r8,$inp + subic. $len,$len,4 + lvx_u $IN2,r9,$inp + lvx_u $IN3,r10,$inp + addi $inp,$inp,0x40 + le?vperm $IN1,$IN1,$IN1,$lemask + le?vperm $IN2,$IN2,$IN2,$lemask + le?vperm $IN3,$IN3,$IN3,$lemask + le?vperm $IN0,$IN0,$IN0,$lemask + + vpmsumd $Xl,$Xh,$H4l # H^4.lo·Xi.lo + vpmsumd $Xm,$Xh,$H4 # H^4.hi·Xi.lo+H^4.lo·Xi.hi + vpmsumd $Xh,$Xh,$H4h # H^4.hi·Xi.hi + vpmsumd $Xl1,$IN1,$H3l + vpmsumd $Xm1,$IN1,$H3 + vpmsumd $Xh1,$IN1,$H3h + + vxor $Xl,$Xl,$Xl3 + vxor $Xm,$Xm,$Xm3 + vxor $Xh,$Xh,$Xh3 + vperm $t0,$IN2,$IN3,$loperm + vperm $t1,$IN2,$IN3,$hiperm + + vpmsumd $t2,$Xl,$xC2 # 1st reduction phase + vpmsumd $Xl3,$t0,$H21l # H.lo·Xi+3.lo +H^2.lo·Xi+2.lo + vpmsumd $Xh3,$t1,$H21h # H.hi·Xi+3.hi +H^2.hi·Xi+2.hi + + vsldoi $t0,$Xm,$zero,8 + vsldoi $t1,$zero,$Xm,8 + vxor $Xl,$Xl,$t0 + vxor $Xh,$Xh,$t1 + + vsldoi $Xl,$Xl,$Xl,8 + vxor $Xl,$Xl,$t2 + + vsldoi $t1,$Xl,$Xl,8 # 2nd reduction phase + vpmsumd $Xm2,$IN2,$H2 # H^2.hi·Xi+2.lo+H^2.lo·Xi+2.hi + vpmsumd $Xm3,$IN3,$H # H.hi·Xi+3.lo +H.lo·Xi+3.hi + vpmsumd $Xl,$Xl,$xC2 + + vxor $Xl3,$Xl3,$Xl1 + vxor $Xh3,$Xh3,$Xh1 + vxor $Xh,$Xh,$IN0 + vxor $Xm2,$Xm2,$Xm1 + vxor $Xh,$Xh,$t1 + vxor $Xm3,$Xm3,$Xm2 + vxor $Xh,$Xh,$Xl + bge Loop_4x + +Ltail_4x: + vpmsumd $Xl,$Xh,$H4l # H^4.lo·Xi.lo + vpmsumd $Xm,$Xh,$H4 # H^4.hi·Xi.lo+H^4.lo·Xi.hi + vpmsumd $Xh,$Xh,$H4h # H^4.hi·Xi.hi + + vxor $Xl,$Xl,$Xl3 + vxor $Xm,$Xm,$Xm3 + + vpmsumd $t2,$Xl,$xC2 # 1st reduction phase + + vsldoi $t0,$Xm,$zero,8 + vsldoi $t1,$zero,$Xm,8 + vxor $Xh,$Xh,$Xh3 + vxor $Xl,$Xl,$t0 + vxor $Xh,$Xh,$t1 + + vsldoi $Xl,$Xl,$Xl,8 + vxor $Xl,$Xl,$t2 + + vsldoi $t1,$Xl,$Xl,8 # 2nd reduction phase + vpmsumd $Xl,$Xl,$xC2 + vxor $t1,$t1,$Xh + vxor $Xl,$Xl,$t1 + + addic. $len,$len,4 + beq Ldone_4x + + lvx_u $IN0,0,$inp + ${UCMP}i $len,2 + li $len,-4 + blt Lone + lvx_u $IN1,r8,$inp + beq Ltwo + +Lthree: + lvx_u $IN2,r9,$inp + le?vperm $IN0,$IN0,$IN0,$lemask + le?vperm $IN1,$IN1,$IN1,$lemask + le?vperm $IN2,$IN2,$IN2,$lemask + + vxor $Xh,$IN0,$Xl + vmr $H4l,$H3l + vmr $H4, $H3 + vmr $H4h,$H3h + + vperm $t0,$IN1,$IN2,$loperm + vperm $t1,$IN1,$IN2,$hiperm + vpmsumd $Xm2,$IN1,$H2 # H^2.lo·Xi+1.hi+H^2.hi·Xi+1.lo + vpmsumd $Xm3,$IN2,$H # H.hi·Xi+2.lo +H.lo·Xi+2.hi + vpmsumd $Xl3,$t0,$H21l # H^2.lo·Xi+1.lo+H.lo·Xi+2.lo + vpmsumd $Xh3,$t1,$H21h # H^2.hi·Xi+1.hi+H.hi·Xi+2.hi + + vxor $Xm3,$Xm3,$Xm2 + b Ltail_4x + +.align 4 +Ltwo: + le?vperm $IN0,$IN0,$IN0,$lemask + le?vperm $IN1,$IN1,$IN1,$lemask + + vxor $Xh,$IN0,$Xl + vperm $t0,$zero,$IN1,$loperm + vperm $t1,$zero,$IN1,$hiperm + + vsldoi $H4l,$zero,$H2,8 + vmr $H4, $H2 + vsldoi $H4h,$H2,$zero,8 + + vpmsumd $Xl3,$t0, $H21l # H.lo·Xi+1.lo + vpmsumd $Xm3,$IN1,$H # H.hi·Xi+1.lo+H.lo·Xi+2.hi + vpmsumd $Xh3,$t1, $H21h # H.hi·Xi+1.hi + + b Ltail_4x + +.align 4 +Lone: + le?vperm $IN0,$IN0,$IN0,$lemask + + vsldoi $H4l,$zero,$H,8 + vmr $H4, $H + vsldoi $H4h,$H,$zero,8 + + vxor $Xh,$IN0,$Xl + vxor $Xl3,$Xl3,$Xl3 + vxor $Xm3,$Xm3,$Xm3 + vxor $Xh3,$Xh3,$Xh3 + + b Ltail_4x + +Ldone_4x: + le?vperm $Xl,$Xl,$Xl,$lemask + stvx_u $Xl,0,$Xip # write out Xi + + li r10,`15+6*$SIZE_T` + li r11,`31+6*$SIZE_T` + mtspr 256,$vrsave + lvx v20,r10,$sp + addi r10,r10,32 + lvx v21,r11,$sp + addi r11,r11,32 + lvx v22,r10,$sp + addi r10,r10,32 + lvx v23,r11,$sp + addi r11,r11,32 + lvx v24,r10,$sp + addi r10,r10,32 + lvx v25,r11,$sp + addi r11,r11,32 + lvx v26,r10,$sp + addi r10,r10,32 + lvx v27,r11,$sp + addi r11,r11,32 + lvx v28,r10,$sp + addi r10,r10,32 + lvx v29,r11,$sp + addi r11,r11,32 + lvx v30,r10,$sp + lvx v31,r11,$sp + addi $sp,$sp,$FRAME + blr + .long 0 + .byte 0,12,0x04,0,0x80,0,4,0 + .long 0 +___ +} +$code.=<<___; .size .gcm_ghash_p8,.-.gcm_ghash_p8 .asciz "GHASH for PowerISA 2.07, CRYPTOGAMS by <appro\@openssl.org>" @@ -228,6 +655,8 @@ Loop: ___ foreach (split("\n",$code)) { + s/\`([^\`]*)\`/eval $1/geo; + if ($flavour =~ /le$/o) { # little-endian s/le\?//o or s/be\?/#be#/o; |