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From: zimbricchio@libero.it
To: gcc-gnats@gcc.gnu.org
Subject: other/10899: "Illegal Instruction" when using PMULUDQ in asm
Date: Wed, 21 May 2003 10:07:00 -0000	[thread overview]
Message-ID: <20030521095513.12539.qmail@sources.redhat.com> (raw)


>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:


             reply	other threads:[~2003-05-21 10:07 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-21 10:07 zimbricchio [this message]
2003-05-21 14:06 bangerth

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