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target/7486: ice when compiling glibc 2.2.5 with -msse2

From: Klaus dot Kusche at inode dot at
To: gcc-gnats at gcc dot gnu dot org
Date: 4 Aug 2002 11:45:34 -0000
Subject: target/7486: ice when compiling glibc 2.2.5 with -msse2
Reply-to: Klaus dot Kusche at inode dot at

>Number:         7486
>Category:       target
>Synopsis:       ice when compiling glibc 2.2.5 with -msse2
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-legal-code
>Submitter-Id:   net
>Arrival-Date:   Sun Aug 04 04:46:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Klaus Kusche
>Release:        3.1
>Organization:
>Environment:
i686
>Description:
When compiling file stdlib/strtod.c from glibc 2.2.5 (default config except for CFLAGS) with gcc 3.1 using -O2 or -O3 and -msse2 or -march=pentium4, function __strtod_internal (1562) causes an reproducible ice in gcc/config/i386/i386.c, function ix86_secondary_memory_needed (12251).

>How-To-Repeat:
See descr.
>Fix:
Workaround: Don't use sse2.
-march=pentium3 -mcpu=pentium4 does not trigger the bug.
>Release-Note:
>Audit-Trail:
>Unformatted:

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