Anatoly Sokolov schrieb:
Hi.
Consider this test case:
unsigned long rotl (int dummy, unsigned long x)
{
return (x 8) | (x 24);
}
Compile with, e.g.
avr-gcc -mmcu=atmega8 -S -Os -fno-split-wide-types
This will map 0x33221100 to 0x33110033 instead of to 0x22110033
Please test the
-Original Message-
From:
avr-gcc-list-bounces+eric.weddington=atmel@nongnu.org
[mailto:avr-gcc-list-bounces+eric.weddington=atmel@nongnu.
org] On Behalf Of Georg-Johann Lay
Sent: Monday, March 23, 2009 1:49 PM
To: avr-gcc-list@nongnu.org
Subject: Re: [avr-gcc-list] Bug
Hi.
Consider this test case:
unsigned long rotl (int dummy, unsigned long x)
{
return (x 8) | (x 24);
}
Compile with, e.g.
avr-gcc -mmcu=atmega8 -S -Os -fno-split-wide-types
This will map 0x33221100 to 0x33110033 instead of to 0x22110033
Please test the patch.
And what version
: Re: [avr-gcc-list] Bug in *rotlsi3 insns?
Georg-Johann Lay schrieb:
Hi, im just browsing avr.md in trunk and stumbled over some
new patterns
that implement rotlsi3.
IMHO, they are buggy. But I have no testcase to make it explicit.
Consider this test case:
unsigned long rotl (int dummy
Anatoly Sokolov schrieb:
Hi.
Consider this test case:
unsigned long rotl (int dummy, unsigned long x)
{
return (x 8) | (x 24);
}
Compile with, e.g.
avr-gcc -mmcu=atmega8 -S -Os -fno-split-wide-types
This will map 0x33221100 to 0x33110033 instead of to 0x22110033
Please test the
Hi, im just browsing avr.md in trunk and stumbled over some new patterns
that implement rotlsi3.
IMHO, they are buggy. But I have no testcase to make it explicit.
*rotlsi3_8 splits for sched2 under the condition that
... REGNO (operands[0]) != REGNO (operands[1])
Now suppose REGNO(op0) ==
