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authorUlrich Drepper <drepper@redhat.com>2009-02-05 01:01:39 +0000
committerUlrich Drepper <drepper@redhat.com>2009-02-05 01:01:39 +0000
commit0899b8897c1bcec464c0e220dd118f293bab05eb (patch)
treea3c9ec843b443ac85b2b3bc23913385c498bd59b /sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S
parent22cc3f7580c97122906e147addbc798e43081079 (diff)
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* sysdeps/sh/sh4/dl-trampoline.S: Only set HAVE_FPU if __SH_FPU_ANY__
is set. * sysdeps/sh/sh4/setjmp.S: Support SH4-NOFPU. * sysdeps/sh/sh4/__longjmp.S: Likewise. * sysdeps/unix/sysv/linux/sh/sh4/getcontext.S: Likewise. * sysdeps/unix/sysv/linux/sh/sh4/setcontext.S: Likewise. * sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S: Likewise. * sysdeps/unix/sysv/linux/sh/sh4/register-dump.h: Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S')
-rw-r--r--sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S12
1 files changed, 8 insertions, 4 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S b/sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S
index 1aeca1b1a7..1f1b69baee 100644
--- a/sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S
@@ -1,5 +1,5 @@
/* Save current context and install the given one.
- Copyright (C) 2005 Free Software Foundation, Inc.
+ Copyright (C) 2005, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -61,6 +61,7 @@ ENTRY(__swapcontext)
mov.l r9, @-r0
mov.l r8, @-r0
+#ifdef __SH_FPU_ANY__
mov r4, r0
/* We need 2 add instruction because oFPUL+4 >= 127. */
add #124,r0
@@ -101,6 +102,7 @@ ENTRY(__swapcontext)
fmov.s fr2, @-r0
fmov.s fr1, @-r0
fmov.s fr0, @-r0
+#endif /* __SH_FPU_ANY__ */
mov r5, r8
@@ -119,12 +121,13 @@ ENTRY(__swapcontext)
not r1, r1 // r1=0 means r0 = -1 to -4095
tst r1, r1 // i.e. error in linux
bf .Lswapcontext_restore
-.Lsyscall_error:
+.Lsyscall_error:
SYSCALL_ERROR_HANDLER
.Lpseudo_end:
rts
nop
-.Lswapcontext_restore:
+.Lswapcontext_restore:
+#ifdef __SH_FPU_ANY__
mov r8, r0
add #(oFR0),r0
fmov.s @r0+, fr0
@@ -163,6 +166,7 @@ ENTRY(__swapcontext)
frchg
lds.l @r0+, fpscr
lds.l @r0+, fpul
+#endif /* __SH_FPU_ANY__ */
mov r8, r0
add #(oPC), r0
@@ -208,7 +212,7 @@ ENTRY(__swapcontext)
mov.l @r15+, r0
jmp @r0
mov.l @r15+, r0
-
+
PSEUDO_END(__swapcontext)
weak_alias (__swapcontext, swapcontext)