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* Re: other/10899: "Illegal Instruction" when using PMULUDQ in asm
@ 2003-05-21 14:06 bangerth
  0 siblings, 0 replies; 2+ messages in thread
From: bangerth @ 2003-05-21 14:06 UTC (permalink / raw)
  To: gcc-bugs, gcc-prs, hubicka, nobody, zimbricchio

Synopsis: "Illegal Instruction" when using PMULUDQ in asm

Responsible-Changed-From-To: unassigned->hubicka
Responsible-Changed-By: bangerth
Responsible-Changed-When: Wed May 21 14:06:13 2003
Responsible-Changed-Why:
    Jan, can you take a look?
State-Changed-From-To: open->analyzed
State-Changed-By: bangerth
State-Changed-When: Wed May 21 14:06:13 2003
State-Changed-Why:
    Confirmed up to 3.4. Though I have absolutely no clue about
    this stuff...

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10899


^ permalink raw reply	[flat|nested] 2+ messages in thread

* other/10899: "Illegal Instruction" when using PMULUDQ in asm
@ 2003-05-21 10:07 zimbricchio
  0 siblings, 0 replies; 2+ messages in thread
From: zimbricchio @ 2003-05-21 10:07 UTC (permalink / raw)
  To: gcc-gnats


>Number:         10899
>Category:       other
>Synopsis:       "Illegal Instruction" when using PMULUDQ in asm
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          wrong-code
>Submitter-Id:   net
>Arrival-Date:   Wed May 21 10:06:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     zimbricchio
>Release:        gcc version 3.2.3
>Organization:
>Environment:
AMD Athlon XP 2000+
>Description:
"Illegal Instruction" when running c-code with a PMULUDQ  asm instuction:

void main(void)
{  asm   ( "pmuludq  %%mm0, %%mm1 \n\t" : );  }
>How-To-Repeat:
void main(void)
{  asm   ( "pmuludq  %%mm0, %%mm1 \n\t" : );  }
>Fix:
not using mmx instructions  :.(
>Release-Note:
>Audit-Trail:
>Unformatted:


^ permalink raw reply	[flat|nested] 2+ messages in thread

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