From: Jayanth Krishnamurthy <jayanth.krishnamurthy@ibm.com>
Date: Tue, 14 May 2024 07:00:09 +0000 (-0500)
Subject:  ppc64x: code cleanup in assembly files
X-Git-Tag: go1.23rc1~275
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=f726c8d0fdd33331d599548b90a7d488ca5324c1;p=gostls13.git

 ppc64x: code cleanup in assembly files

Replacing Branch Conditional (BC) with its extended mnemonic form of  BDNZ and BDZ.
- BC 16, 0, target can be replaced by BDNZ target
- BC 18, 0, target can be replaced by BDZ target

Change-Id: I1259e207f2a40d0b72780d5421f7449ddc006dc5
Cq-Include-Trybots: luci.golang.try:gotip-linux-ppc64_power10,gotip-linux-ppc64_power8,gotip-linux-ppc64le_power8,gotip-linux-ppc64le_power9,gotip-linux-ppc64le_power10
Reviewed-on: https://go-review.googlesource.com/c/go/+/585077
Reviewed-by: Carlos Amedee <carlos@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
---

diff --git a/src/crypto/aes/asm_ppc64x.s b/src/crypto/aes/asm_ppc64x.s
index 859cffa3ee..5a2b210920 100644
--- a/src/crypto/aes/asm_ppc64x.s
+++ b/src/crypto/aes/asm_ppc64x.s
@@ -151,7 +151,7 @@ loop128:
 	VXOR	IN0, TMP, IN0       // vxor 1,1,6
 	VADDUWM	RCON, RCON, RCON    // vadduwm 4,4,4
 	VXOR	IN0, KEY, IN0       // vxor 1,1,3
-	BC	0x10, 0, loop128    // bdnz .Loop128
+	BDNZ	loop128
 
 	LVX	(PTR)(R0), RCON // lvx 4,0,6     Last two round keys
 
@@ -256,7 +256,7 @@ loop192:
 	STXVD2X	IN0, (R0+OUTDEC)
 	ADD	$16, OUTENC, OUTENC
 	ADD	$-16, OUTDEC, OUTDEC
-	BC	0x10, 0, loop192                 // bdnz .Loop192
+	BDNZ	loop192
 
 	RET
 
@@ -289,7 +289,7 @@ loop256:
 	STXVD2X	IN0, (R0+OUTDEC)
 	ADD	$16, OUTENC, OUTENC
 	ADD	$-16, OUTDEC, OUTDEC
-	BC	0x12, 0, done                    // bdz .Ldone
+	BDZ	done
 
 	VSPLTW	$3, IN0, KEY        // vspltw 3,1,3
 	VSLDOI	$12, ZERO, IN1, TMP // vsldoi 6,0,2,12
diff --git a/src/crypto/md5/md5block_ppc64x.s b/src/crypto/md5/md5block_ppc64x.s
index f607040d02..49a369548e 100644
--- a/src/crypto/md5/md5block_ppc64x.s
+++ b/src/crypto/md5/md5block_ppc64x.s
@@ -200,7 +200,7 @@ loop:
 	ADD	R16, R4
 	ADD	R17, R5
 	ADD	$64, R6
-	BC	16, 0, loop // bdnz
+	BDNZ	loop
 
 end:
 	MOVD	dig+0(FP), R10
diff --git a/src/math/big/arith_ppc64x.s b/src/math/big/arith_ppc64x.s
index 330bc7e46c..5e7a2da3a3 100644
--- a/src/math/big/arith_ppc64x.s
+++ b/src/math/big/arith_ppc64x.s
@@ -62,7 +62,7 @@ loop:
 	MOVD  R22, 24(R10)    // z[i+2]
 	MOVDU R23, 32(R10)    // z[i+3]
 	ADD   $-4, R7         // R7 = z_len - 4
-	BC  16, 0, loop       // bdnz
+	BDNZ  loop
 
 	// We may have more elements to read
 	CMP   R0, R7
@@ -151,7 +151,7 @@ loop:
 	MOVD  R22, 24(R10)    // z[i+2]
 	MOVDU R23, 32(R10)    // z[i+3]
 	ADD   $-4, R7         // R7 = z_len - 4
-	BC  16, 0, loop       // bdnz
+	BDNZ  loop
 
 	// We may have more elements to read
 	CMP   R0, R7
@@ -230,7 +230,7 @@ loop:
 	MOVD  R26, 24(R10)	// z[i+2]
 	MOVDU R27, 32(R10)	// z[i+3]
 	ADD   $-4, R11		// R11 = z_len - 4
-	BC    16, 0, loop	// bdnz
+	BDNZ  loop
 
 	// We may have some elements to read
 	CMP R0, R11
@@ -307,7 +307,7 @@ loop:
 	MOVD  R22, 24(R10)
 	MOVDU R23, 32(R10)
 	ADD   $-4, R11
-	BC    16, 0, loop	// bdnz
+	BDNZ  loop
 
 	// We may have some elements to read
 	CMP   R0, R11
@@ -550,7 +550,7 @@ loop:
 	MOVD    R26, 24(R10)      // z[i+2]
 	MOVDU   R27, 32(R10)      // z[i+3]
 	ADD     $-4, R11          // R11 = z_len - 4
-	BC      16, 0, loop       // bdnz
+	BDNZ    loop
 
 	// We may have some elements to read
 	CMP   R0, R11