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Message-Id: <20190911103224.1C6E65C44B@mx7.valuehost.ru>
Date: Wed, 11 Sep 2019 13:05:04 +0300
From: <info@...ile-stream.com>
To: musl@...ts.openwall.com
Subject: [PATCH] mips: simplify longjmp
borrowed from the risc-v code.
OR (not ADDU) is intentional to please 74K* pipeline.
---
src/setjmp/mips/longjmp.S | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/src/setjmp/mips/longjmp.S b/src/setjmp/mips/longjmp.S
index fdb6c95d..c3dd54ea 100644
--- a/src/setjmp/mips/longjmp.S
+++ b/src/setjmp/mips/longjmp.S
@@ -6,11 +6,6 @@
.type longjmp,@function
_longjmp:
longjmp:
- move $2, $5
- bne $2, $0, 1f
- nop
- addu $2, $2, 1
-1:
#ifndef __mips_soft_float
lwc1 $20, 56($4)
lwc1 $21, 60($4)
@@ -36,5 +31,7 @@ longjmp:
lw $22, 32($4)
lw $23, 36($4)
lw $30, 40($4)
- jr $ra
lw $28, 44($4)
+ sltiu $2, $5, 1
+ jr $ra
+ or $2, $5, $2
\ No newline at end of file
--
2.23.0.windows.1
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