diff options
author | Andy Polyakov <appro@openssl.org> | 2013-10-13 13:14:52 +0200 |
---|---|---|
committer | Andy Polyakov <appro@openssl.org> | 2013-10-13 13:18:21 +0200 |
commit | 1aecb23f5b7364a999c2c061187c9176ee89e3b1 (patch) | |
tree | 70b8d5e26d3e4217c207e0c63ccc2dc28a1a2cd2 | |
parent | 9ed6fba2b4685ced2340feff03da5a12ed14b003 (diff) |
MIPS assembly pack: get rid of deprecated instructions.
Latest MIPS ISA specification declared 'branch likely' instructions
obsolete. To makes code future-proof replace them with equivalent.
(cherry picked from commit 0c2adb0a9be76da8de9bbfd5377215f71711a52e)
-rw-r--r-- | crypto/bn/asm/mips-mont.pl | 2 | ||||
-rw-r--r-- | crypto/bn/asm/mips.pl | 44 | ||||
-rw-r--r-- | crypto/sha/asm/sha512-mips.pl | 2 |
3 files changed, 23 insertions, 25 deletions
diff --git a/crypto/bn/asm/mips-mont.pl b/crypto/bn/asm/mips-mont.pl index d968cd49ae..a33cdf4111 100644 --- a/crypto/bn/asm/mips-mont.pl +++ b/crypto/bn/asm/mips-mont.pl @@ -133,7 +133,7 @@ $code.=<<___; bnez $at,1f li $t0,0 slt $at,$num,17 # on in-order CPU - bnezl $at,bn_mul_mont_internal + bnez $at,bn_mul_mont_internal nop 1: jr $ra li $a0,0 diff --git a/crypto/bn/asm/mips.pl b/crypto/bn/asm/mips.pl index 41c1e1fcec..b311e7c509 100644 --- a/crypto/bn/asm/mips.pl +++ b/crypto/bn/asm/mips.pl @@ -140,10 +140,10 @@ $code.=<<___; .set reorder li $minus4,-4 and $ta0,$a2,$minus4 - $LD $t0,0($a1) beqz $ta0,.L_bn_mul_add_words_tail .L_bn_mul_add_words_loop: + $LD $t0,0($a1) $MULTU $t0,$a3 $LD $t1,0($a0) $LD $t2,$BNSZ($a1) @@ -200,10 +200,9 @@ $code.=<<___; $ADDU $v0,$ta2 sltu $at,$ta3,$at $ST $ta3,-$BNSZ($a0) - $ADDU $v0,$at .set noreorder - bgtzl $ta0,.L_bn_mul_add_words_loop - $LD $t0,0($a1) + bgtz $ta0,.L_bn_mul_add_words_loop + $ADDU $v0,$at beqz $a2,.L_bn_mul_add_words_return nop @@ -300,10 +299,10 @@ $code.=<<___; .set reorder li $minus4,-4 and $ta0,$a2,$minus4 - $LD $t0,0($a1) beqz $ta0,.L_bn_mul_words_tail .L_bn_mul_words_loop: + $LD $t0,0($a1) $MULTU $t0,$a3 $LD $t2,$BNSZ($a1) $LD $ta0,2*$BNSZ($a1) @@ -341,10 +340,9 @@ $code.=<<___; $ADDU $v0,$at sltu $ta3,$v0,$at $ST $v0,-$BNSZ($a0) - $ADDU $v0,$ta3,$ta2 .set noreorder - bgtzl $ta0,.L_bn_mul_words_loop - $LD $t0,0($a1) + bgtz $ta0,.L_bn_mul_words_loop + $ADDU $v0,$ta3,$ta2 beqz $a2,.L_bn_mul_words_return nop @@ -429,10 +427,10 @@ $code.=<<___; .set reorder li $minus4,-4 and $ta0,$a2,$minus4 - $LD $t0,0($a1) beqz $ta0,.L_bn_sqr_words_tail .L_bn_sqr_words_loop: + $LD $t0,0($a1) $MULTU $t0,$t0 $LD $t2,$BNSZ($a1) $LD $ta0,2*$BNSZ($a1) @@ -463,11 +461,10 @@ $code.=<<___; mflo $ta3 mfhi $ta2 $ST $ta3,-2*$BNSZ($a0) - $ST $ta2,-$BNSZ($a0) .set noreorder - bgtzl $ta0,.L_bn_sqr_words_loop - $LD $t0,0($a1) + bgtz $ta0,.L_bn_sqr_words_loop + $ST $ta2,-$BNSZ($a0) beqz $a2,.L_bn_sqr_words_return nop @@ -547,10 +544,10 @@ $code.=<<___; .set reorder li $minus4,-4 and $at,$a3,$minus4 - $LD $t0,0($a1) beqz $at,.L_bn_add_words_tail .L_bn_add_words_loop: + $LD $t0,0($a1) $LD $ta0,0($a2) subu $a3,4 $LD $t1,$BNSZ($a1) @@ -589,11 +586,10 @@ $code.=<<___; $ADDU $t3,$ta3,$v0 sltu $v0,$t3,$ta3 $ST $t3,-$BNSZ($a0) - $ADDU $v0,$t9 .set noreorder - bgtzl $at,.L_bn_add_words_loop - $LD $t0,0($a1) + bgtz $at,.L_bn_add_words_loop + $ADDU $v0,$t9 beqz $a3,.L_bn_add_words_return nop @@ -679,10 +675,10 @@ $code.=<<___; .set reorder li $minus4,-4 and $at,$a3,$minus4 - $LD $t0,0($a1) beqz $at,.L_bn_sub_words_tail .L_bn_sub_words_loop: + $LD $t0,0($a1) $LD $ta0,0($a2) subu $a3,4 $LD $t1,$BNSZ($a1) @@ -722,11 +718,10 @@ $code.=<<___; $SUBU $t3,$ta3,$v0 sgtu $v0,$t3,$ta3 $ST $t3,-$BNSZ($a0) - $ADDU $v0,$t9 .set noreorder - bgtzl $at,.L_bn_sub_words_loop - $LD $t0,0($a1) + bgtz $at,.L_bn_sub_words_loop + $ADDU $v0,$t9 beqz $a3,.L_bn_sub_words_return nop @@ -840,8 +835,9 @@ $code.=<<___; sltu $ta0,$a1,$a2 or $t8,$ta0 .set noreorder - beqzl $at,.L_bn_div_3_words_inner_loop + beqz $at,.L_bn_div_3_words_inner_loop $SUBU $v0,1 + $ADDU $v0,1 .set reorder .L_bn_div_3_words_inner_loop_done: .set noreorder @@ -902,7 +898,8 @@ $code.=<<___; and $t2,$a0 $SRL $at,$a1,$t1 .set noreorder - bnezl $t2,.+8 + beqz $t2,.+12 + nop break 6 # signal overflow .set reorder $SLL $a0,$t9 @@ -917,7 +914,8 @@ $code.=<<___; $SRL $DH,$a2,4*$BNSZ # bits sgeu $at,$a0,$a2 .set noreorder - bnezl $at,.+8 + beqz $at,.+12 + nop $SUBU $a0,$a2 .set reorder diff --git a/crypto/sha/asm/sha512-mips.pl b/crypto/sha/asm/sha512-mips.pl index 1fff09bb4d..89623098d7 100644 --- a/crypto/sha/asm/sha512-mips.pl +++ b/crypto/sha/asm/sha512-mips.pl @@ -406,7 +406,7 @@ $code.=<<___; $ST $G,6*$SZ($ctx) $ST $H,7*$SZ($ctx) - bnel $inp,@X[15],.Loop + bne $inp,@X[15],.Loop $PTR_SUB $Ktbl,`($rounds-16)*$SZ` # rewind $Ktbl $REG_L $ra,$FRAMESIZE-1*$SZREG($sp) |