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* [Bug target/35872] [4.3 regression] incorrect code for 32bit multiplication by constant [not found] <bug-35872-4@http.gcc.gnu.org/bugzilla/> @ 2014-02-16 13:16 ` jackie.rosen at hushmail dot com 0 siblings, 0 replies; 7+ messages in thread From: jackie.rosen at hushmail dot com @ 2014-02-16 13:16 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35872 Jackie Rosen <jackie.rosen at hushmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jackie.rosen at hushmail dot com --- Comment #8 from Jackie Rosen <jackie.rosen at hushmail dot com> --- *** Bug 260998 has been marked as a duplicate of this bug. *** Seen from the domain http://volichat.com Page where seen: http://volichat.com/adult-chat-rooms Marked for reference. Resolved as fixed @bugzilla. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c/35872] New: [4.1 regression] incorrect code for 32bit multiplication by constant
@ 2008-04-08 16:12 a dot kaiser at gmx dot net
2008-04-08 18:07 ` [Bug target/35872] [4.3 " eric dot weddington at atmel dot com
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: a dot kaiser at gmx dot net @ 2008-04-08 16:12 UTC (permalink / raw)
To: gcc-bugs
A 32bit multiplication by a constant results in incorrect code when compiled
for some AVR models (probably those having a hardware multiplier).
Command:
avr-gcc -mmcu=attiny25 -Os -S t1.c (correct)
avr-gcc -mmcu=atmega16 -Os -S t1.c (incorrect)
--
Summary: [4.1 regression] incorrect code for 32bit multiplication
by constant
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: a dot kaiser at gmx dot net
GCC host triplet: winavr 20040802
GCC target triplet: avr
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35872
^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug target/35872] [4.3 regression] incorrect code for 32bit multiplication by constant 2008-04-08 16:12 [Bug c/35872] New: [4.1 " a dot kaiser at gmx dot net @ 2008-04-08 18:07 ` eric dot weddington at atmel dot com 2008-04-08 18:16 ` eric dot weddington at atmel dot com ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: eric dot weddington at atmel dot com @ 2008-04-08 18:07 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from eric dot weddington at atmel dot com 2008-04-08 18:06 ------- Works for 4.2.2 (WinAVR 20071221) -- eric dot weddington at atmel dot com changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work|4.1.2 |4.1.2 4.2.2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35872 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/35872] [4.3 regression] incorrect code for 32bit multiplication by constant 2008-04-08 16:12 [Bug c/35872] New: [4.1 " a dot kaiser at gmx dot net 2008-04-08 18:07 ` [Bug target/35872] [4.3 " eric dot weddington at atmel dot com @ 2008-04-08 18:16 ` eric dot weddington at atmel dot com 2008-04-08 20:18 ` rguenth at gcc dot gnu dot org ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: eric dot weddington at atmel dot com @ 2008-04-08 18:16 UTC (permalink / raw) To: gcc-bugs ------- Comment #5 from eric dot weddington at atmel dot com 2008-04-08 18:16 ------- Confirmed on WinAVR 20080407 (gcc 4.3.0 plus patches). -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35872 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/35872] [4.3 regression] incorrect code for 32bit multiplication by constant 2008-04-08 16:12 [Bug c/35872] New: [4.1 " a dot kaiser at gmx dot net 2008-04-08 18:07 ` [Bug target/35872] [4.3 " eric dot weddington at atmel dot com 2008-04-08 18:16 ` eric dot weddington at atmel dot com @ 2008-04-08 20:18 ` rguenth at gcc dot gnu dot org 2008-04-08 20:39 ` eric dot weddington at atmel dot com ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: rguenth at gcc dot gnu dot org @ 2008-04-08 20:18 UTC (permalink / raw) To: gcc-bugs -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Keywords| |wrong-code Priority|P3 |P4 Last reconfirmed|0000-00-00 00:00:00 |2008-04-08 20:17:37 date| | Target Milestone|--- |4.3.1 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35872 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/35872] [4.3 regression] incorrect code for 32bit multiplication by constant 2008-04-08 16:12 [Bug c/35872] New: [4.1 " a dot kaiser at gmx dot net ` (2 preceding siblings ...) 2008-04-08 20:18 ` rguenth at gcc dot gnu dot org @ 2008-04-08 20:39 ` eric dot weddington at atmel dot com 2008-04-12 15:28 ` hutchinsonandy at gcc dot gnu dot org 2008-05-26 20:25 ` eric dot weddington at atmel dot com 5 siblings, 0 replies; 7+ messages in thread From: eric dot weddington at atmel dot com @ 2008-04-08 20:39 UTC (permalink / raw) To: gcc-bugs ------- Comment #6 from eric dot weddington at atmel dot com 2008-04-08 20:38 ------- Andy's combine.c patch for bug #35519 fixes this bug. This means that 4.3.0 is useless for the avr port until that patch is backported. -- eric dot weddington at atmel dot com changed: What |Removed |Added ---------------------------------------------------------------------------- BugsThisDependsOn| |35519 Severity|normal |major Priority|P4 |P3 Target Milestone|4.3.1 |--- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35872 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/35872] [4.3 regression] incorrect code for 32bit multiplication by constant 2008-04-08 16:12 [Bug c/35872] New: [4.1 " a dot kaiser at gmx dot net ` (3 preceding siblings ...) 2008-04-08 20:39 ` eric dot weddington at atmel dot com @ 2008-04-12 15:28 ` hutchinsonandy at gcc dot gnu dot org 2008-05-26 20:25 ` eric dot weddington at atmel dot com 5 siblings, 0 replies; 7+ messages in thread From: hutchinsonandy at gcc dot gnu dot org @ 2008-04-12 15:28 UTC (permalink / raw) To: gcc-bugs ------- Comment #7 from hutchinsonandy at gcc dot gnu dot org 2008-04-12 15:28 ------- Fixed 4.3 and 4.4 -- hutchinsonandy at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35872 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/35872] [4.3 regression] incorrect code for 32bit multiplication by constant 2008-04-08 16:12 [Bug c/35872] New: [4.1 " a dot kaiser at gmx dot net ` (4 preceding siblings ...) 2008-04-12 15:28 ` hutchinsonandy at gcc dot gnu dot org @ 2008-05-26 20:25 ` eric dot weddington at atmel dot com 5 siblings, 0 replies; 7+ messages in thread From: eric dot weddington at atmel dot com @ 2008-05-26 20:25 UTC (permalink / raw) To: gcc-bugs -- eric dot weddington at atmel dot com changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.3.1 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35872 ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2014-02-16 13:16 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-35872-4@http.gcc.gnu.org/bugzilla/>
2014-02-16 13:16 ` [Bug target/35872] [4.3 regression] incorrect code for 32bit multiplication by constant jackie.rosen at hushmail dot com
2008-04-08 16:12 [Bug c/35872] New: [4.1 " a dot kaiser at gmx dot net
2008-04-08 18:07 ` [Bug target/35872] [4.3 " eric dot weddington at atmel dot com
2008-04-08 18:16 ` eric dot weddington at atmel dot com
2008-04-08 20:18 ` rguenth at gcc dot gnu dot org
2008-04-08 20:39 ` eric dot weddington at atmel dot com
2008-04-12 15:28 ` hutchinsonandy at gcc dot gnu dot org
2008-05-26 20:25 ` eric dot weddington at atmel dot com
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