* [Committed][AVR]: PR target/45263: Don't use r20 around calls of __tablejump_elpm__
@ 2011-04-13 17:00 Georg-Johann Lay
2011-04-13 20:19 ` Eric Botcazou
0 siblings, 1 reply; 2+ messages in thread
From: Georg-Johann Lay @ 2011-04-13 17:00 UTC (permalink / raw)
To: gcc-patches
[-- Attachment #1: Type: text/plain, Size: 249 bytes --]
PR target/45263
* config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Don't use
r20 around calls of __tablejump_elpm__
http://gcc.gnu.org/viewcvs?view=revision&revision=172384
http://gcc.gnu.org/viewcvs?view=revision&revision=172385
[-- Attachment #2: pr45263-v2.diff --]
[-- Type: text/x-patch, Size: 1571 bytes --]
Index: config/avr/libgcc.S
===================================================================
--- config/avr/libgcc.S (Revision 172258)
+++ config/avr/libgcc.S (Arbeitskopie)
@@ -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:
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Committed][AVR]: PR target/45263: Don't use r20 around calls of __tablejump_elpm__
2011-04-13 17:00 [Committed][AVR]: PR target/45263: Don't use r20 around calls of __tablejump_elpm__ Georg-Johann Lay
@ 2011-04-13 20:19 ` Eric Botcazou
0 siblings, 0 replies; 2+ messages in thread
From: Eric Botcazou @ 2011-04-13 20:19 UTC (permalink / raw)
To: Georg-Johann Lay; +Cc: gcc-patches
> PR target/45263
> * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Don't use
> r20 around calls of __tablejump_elpm__
>
> http://gcc.gnu.org/viewcvs?view=revision&revision=172384
> http://gcc.gnu.org/viewcvs?view=revision&revision=172385
Please do not post useless messages. Once a patch has been approved on the
list, just install it. See http://gcc.gnu.org/svnwrite.html
--
Eric Botcazou
^ permalink raw reply [flat|nested] 2+ messages in thread
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2011-04-13 17:00 [Committed][AVR]: PR target/45263: Don't use r20 around calls of __tablejump_elpm__ Georg-Johann Lay
2011-04-13 20:19 ` Eric Botcazou
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