0ce74d253b
- POWER10 performance enhancements for cryptography [jsc#PED-512] * openssl-1_1-AES-GCM-performance-optimzation-with-stitched-method.patch * openssl-1_1-Fixed-counter-overflow.patch * openssl-1_1-chacha20-performance-optimizations-for-ppc64le-with-.patch * openssl-1_1-Fixed-conditional-statement-testing-64-and-256-bytes.patch * openssl-1_1-Fix-AES-GCM-on-Power-8-CPUs.patch OBS-URL: https://build.opensuse.org/request/show/1042846 OBS-URL: https://build.opensuse.org/package/show/security:tls/openssl-1_1?expand=0&rev=123
104 lines
2.3 KiB
Diff
104 lines
2.3 KiB
Diff
From 7e1f3ffcc5bc15fb9a12b9e3bb202f544c6ed5aa Mon Sep 17 00:00:00 2001
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From: Danny Tsen <dtsen@us.ibm.com>
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Date: Wed, 23 Feb 2022 13:18:35 -0600
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Subject: [PATCH] Fixed conditional statement testing 64 and 256 bytes
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Reviewed-by: Paul Dale <pauli@openssl.org>
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Reviewed-by: Tomas Mraz <tomas@openssl.org>
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(Merged from https://github.com/openssl/openssl/pull/17760)
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---
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crypto/chacha/asm/chachap10-ppc.pl | 68 -------------------------------------
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1 file changed, 1 insertion(+), 67 deletions(-)
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--- a/crypto/chacha/asm/chachap10-ppc.pl
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+++ b/crypto/chacha/asm/chachap10-ppc.pl
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@@ -101,29 +101,6 @@ my ($x00,$x10,$x20,$x30) = (0, map("r$_"
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my $FRAME=$LOCALS+64+7*16; # 7*16 is for v26-v31 offload
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-sub VSX_lane_ROUND_1x {
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-my $a=@_[0];
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-my $b=@_[1];
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-my $c=@_[2];
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-my $d=@_[3];
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-my $odd=@_[4];
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- vadduwm ($a,$a,$b);
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- vxor ($d,$d,$a);
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- vrlw ($d,$d,$sixteen);
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- vadduwm ($c,$c,$d);
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- vxor ($b,$b,$c);
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- vrlw ($b,$b,$twelve);
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- vadduwm ($a,$a,$b);
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- vxor ($d,$d,$a);
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- vrlw ($d,$d,$eight);
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- vadduwm ($c,$c,$d);
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- vxor ($b,$b,$c);
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- vrlw ($b,$b,$seven);
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- xxsldwi ($c,$c,$c,2);
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- xxsldwi ($b,$b,$b,$odd?3:1);
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- xxsldwi ($d,$d,$d,$odd?1:3);
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-}
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-
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sub VSX_lane_ROUND_4x {
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my ($a0,$b0,$c0,$d0)=@_;
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@@ -192,7 +169,7 @@ $code.=<<___;
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.globl .ChaCha20_ctr32_vsx_p10
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.align 5
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.ChaCha20_ctr32_vsx_p10:
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- ${UCMP}i $len,256
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+ ${UCMP}i $len,255
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bgt ChaCha20_ctr32_vsx_8x
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$STU $sp,-$FRAME($sp)
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mflr r0
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@@ -268,49 +245,6 @@ Loop_outer_vsx:
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vspltisw $eight,8
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vspltisw $seven,7
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- ${UCMP}i $len,64
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- bgt Loop_vsx_4x
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-
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- vmr $xa0,@K[0]
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- vmr $xb0,@K[1]
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- vmr $xc0,@K[2]
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- vmr $xd0,@K[3]
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-
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-Loop_vsx_1x:
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-___
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- VSX_lane_ROUND_1x($xa0, $xb0, $xc0,$xd0,0);
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- VSX_lane_ROUND_1x($xa0, $xb0, $xc0,$xd0,1);
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-
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-$code.=<<___;
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-
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- bdnz Loop_vsx_1x
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-
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- vadduwm $xa0, $xa0, @K[0]
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- vadduwm $xb0, $xb0, @K[1]
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- vadduwm $xc0, $xc0, @K[2]
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- vadduwm $xd0, $xd0, @K[3]
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- ${UCMP}i $len,0x40
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- blt Ltail_vsx
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-
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- lvx_4w $xt0,$x00, $inp
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- lvx_4w $xt1,$x10, $inp
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- lvx_4w $xt2,$x20, $inp
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- lvx_4w $xt3,$x30, $inp
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-
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- vxor $xa0,$xa0,$xt0
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- vxor $xb0,$xb0,$xt1
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- vxor $xc0,$xc0,$xt2
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- vxor $xd0,$xd0,$xt3
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-
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- stvx_4w $xa0,$x00,$out
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- stvx_4w $xb0,$x10,$out
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- addi $inp,$inp,0x40
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- stvx_4w $xc0,$x20,$out
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- subi $len,$len,0x40
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- stvx_4w $xd0,$x30,$out
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- addi $out,$out,0x40
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- beq Ldone_vsx
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-
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Loop_vsx_4x:
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___
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foreach (&VSX_lane_ROUND_4x(0, 4, 8,12)) { eval; }
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