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From 361940153255ddf5f62977479589c074b7e8f93a Mon Sep 17 00:00:00 2001
From: gjl <gjl@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 30 May 2011 08:53:12 +0000
Subject: [PATCH] PR target/45263
* config/avr/libgcc.S (__do_global_ctors, __do_global_dtors):
Don't use r20 around calls of __tablejump_elpm__
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174427 138bc75d-0d04-0410-961f-82ee72b054a4
index 4a15f94..2e8d951 100644
--- a/gcc/config/avr/libgcc.S
+++ b/gcc/config/avr/libgcc.S
@@ -791,22 +791,22 @@ __do_clear_bss:
#if defined(__AVR_HAVE_RAMPZ__)
__do_global_ctors:
ldi r17, hi8(__ctors_start)
- ldi r16, hh8(__ctors_start)
ldi r28, lo8(__ctors_end)
ldi r29, hi8(__ctors_end)
- ldi r20, hh8(__ctors_end)
+ ldi r16, hh8(__ctors_end)
rjmp .L__do_global_ctors_start
.L__do_global_ctors_loop:
sbiw r28, 2
- sbc r20, __zero_reg__
+ sbc r16, __zero_reg__
mov_h r31, r29
mov_l r30, r28
- out __RAMPZ__, r20
+ out __RAMPZ__, r16
XCALL __tablejump_elpm__
.L__do_global_ctors_start:
cpi r28, lo8(__ctors_start)
cpc r29, r17
- cpc r20, r16
+ ldi r24, hh8(__ctors_start)
+ cpc r16, r24
brne .L__do_global_ctors_loop
#else
__do_global_ctors:
@@ -832,22 +832,22 @@ __do_global_ctors:
#if defined(__AVR_HAVE_RAMPZ__)
__do_global_dtors:
ldi r17, hi8(__dtors_end)
- ldi r16, hh8(__dtors_end)
ldi r28, lo8(__dtors_start)
ldi r29, hi8(__dtors_start)
- ldi r20, hh8(__dtors_start)
+ ldi r16, hh8(__dtors_start)
rjmp .L__do_global_dtors_start
.L__do_global_dtors_loop:
sbiw r28, 2
- sbc r20, __zero_reg__
+ sbc r16, __zero_reg__
mov_h r31, r29
mov_l r30, r28
- out __RAMPZ__, r20
+ out __RAMPZ__, r16
XCALL __tablejump_elpm__
.L__do_global_dtors_start:
cpi r28, lo8(__dtors_end)
cpc r29, r17
- cpc r20, r16
+ ldi r24, hh8(__dtors_end)
+ cpc r16, r24
brne .L__do_global_dtors_loop
#else
__do_global_dtors:
--
1.7.0.4
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