Fix SICORTEX ASUM/ZASUM and SUM/ZSUM for INCX <=0 (#4640)

* Exit early if INCX <= 0
2024-04-14 15:39:11 +02:00
parent 23d5a8b16e
commit 4c03ed437f
4 changed files with 4 additions and 0 deletions
--- a/kernel/mips64/asum.S
+++ b/kernel/mips64/asum.S
@@ -73,6 +73,7 @@
 	MTC	$0,  s1

 	MTC	$0,  s2
+	blez	INCX, .L999
 	dsll	INCX, INCX, BASE_SHIFT

 	blez	N, .L999
--- a/kernel/mips64/sum.S
+++ b/kernel/mips64/sum.S
@@ -73,6 +73,7 @@
 	MTC	$0,  s1

 	MTC	$0,  s2
+	blez	INCX, .L999
 	dsll	INCX, INCX, BASE_SHIFT

 	blez	N, .L999
--- a/kernel/mips64/zasum.S
+++ b/kernel/mips64/zasum.S
@@ -73,6 +73,7 @@
 	MTC	$0,  s1

 	MTC	$0,  s2
+	blez    INCX, .L999
 	dsll	INCX, INCX, ZBASE_SHIFT

 	blez	N, .L999
--- a/kernel/mips64/zsum.S
+++ b/kernel/mips64/zsum.S
@@ -73,6 +73,7 @@
 	MTC	$0,  s1

 	MTC	$0,  s2
+	blez    INCX, .L999
 	dsll	INCX, INCX, ZBASE_SHIFT

 	blez	N, .L999