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newlib-cygwin
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2014-12-12 Stefan Wallentowitz <stefan.wallentowitz@tum.de> 

* libc/machine/or1k/setjmp.S: Remove save/restore of r3-r8
This commit is contained in:
Jeff Johnston 2014-12-12 20:17:26 +00:00
parent c6332722d9
commit 31cf15b180
2 changed files with 6 additions and 13 deletions
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4
newlib/ChangeLog
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@ -1,3 +1,7 @@
2014-12-12 Stefan Wallentowitz <stefan.wallentowitz@tum.de>
* libc/machine/or1k/setjmp.S: Remove save/restore of r3-r8
2014-12-11 Jonathan Roelofs <jonathan@codesourcery.com> 2014-12-11 Jonathan Roelofs <jonathan@codesourcery.com>
Corinna Vinschen <vinschen@redhat.com> Corinna Vinschen <vinschen@redhat.com>

15
newlib/libc/machine/or1k/setjmp.S
View File

@ -31,12 +31,7 @@ setjmp:
l.sw 4(r3), r1 l.sw 4(r3), r1
l.sw 8(r3), r2 l.sw 8(r3), r2
l.sw 12(r3), r3 /* Skip r3-r8 as they are not preserved across function calls */
l.sw 16(r3), r4
l.sw 20(r3), r5
l.sw 24(r3), r6
l.sw 28(r3), r7
l.sw 32(r3), r8
l.sw 36(r3), r9 l.sw 36(r3), r9
/* Skip r10 as it's preserved to be used by TLS */ /* Skip r10 as it's preserved to be used by TLS */
/* Skip r11, setjmp always set it to 0 */ /* Skip r11, setjmp always set it to 0 */
@ -77,12 +72,7 @@ longjmp:
l.lwz r1, 4(r3) l.lwz r1, 4(r3)
l.lwz r2, 8(r3) l.lwz r2, 8(r3)
/* Skip r3 as it contains the current buffer address */ /* Skip r3-r8 as they are not preserved across function calls */
l.lwz r4, 16(r3)
l.lwz r5, 20(r3)
l.lwz r6, 24(r3)
l.lwz r7, 28(r3)
l.lwz r8, 32(r3)
l.lwz r9, 36(r3) l.lwz r9, 36(r3)
/* Skip r11 as it's always set by longjmp */ /* Skip r11 as it's always set by longjmp */
l.lwz r14, 52(r3) l.lwz r14, 52(r3)
@ -94,7 +84,6 @@ longjmp:
l.lwz r26, 100(r3) l.lwz r26, 100(r3)
l.lwz r28, 108(r3) l.lwz r28, 108(r3)
l.lwz r30, 116(r3) l.lwz r30, 116(r3)
l.lwz r3, 12(r3)
l.jr r9 l.jr r9
l.nop l.nop