[Bug optimization/12928] New: [tree-ssa] Bad assembly code produced when compiling glibc

["bbooth at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12928

           Summary: [tree-ssa] Bad assembly code produced when compiling
                    glibc
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: bbooth at redhat dot com
                CC: gcc-bugs at gcc dot gnu dot org
  GCC host triplet: i686-pc-linux-gnu

GCC version:
    gcc (GCC) 3.5-tree-ssa 20031106 (merged 20031026)

GCC configure options:
    --prefix=/notnfs/bbooth/tree-ssa/i686/inst
    --srcdir=/notnfs/bbooth/tree-ssa/gcc
    --disable-multilib

Command line & compiler/assembler output:

/notnfs/bbooth/tree-ssa/i686/inst/libexec/gcc/i686-pc-linux-gnu/3.5-tree-ssa/cc1
-fpreprocessed sigsuspend.i -quiet -dumpbase sigsuspend.c -mtune=pentiumpro
-auxbase-strip /home/bbooth/tree-ssa/build/i686/GLIBC/signal/sigsuspend.o -O2
-Wall -Winline -Wstrict-prototypes -Wwrite-strings -version -ftime-report -o
sigsuspend.s
GNU C version 3.5-tree-ssa 20031106 (merged 20031026) (i686-pc-linux-gnu)
	compiled by GNU C version 3.5-tree-ssa 20031106 (merged 20031026).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096

Execution times (seconds)
 lexical analysis      :   0.01 (14%) usr   0.00 ( 0%) sys   0.01 (11%) wall
 parser                :   0.02 (29%) usr   0.00 ( 0%) sys   0.02 (22%) wall
 tree gimplify         :   0.01 (14%) usr   0.00 ( 0%) sys   0.01 (11%) wall
 bypass jumps          :   0.01 (14%) usr   0.00 ( 0%) sys   0.01 (11%) wall
 symout                :   0.01 (14%) usr   0.00 ( 0%) sys   0.01 (11%) wall
 TOTAL                 :   0.07             0.02             0.09
 as -V -Qy -o /home/bbooth/tree-ssa/build/i686/GLIBC/signal/sigsuspend.o
sigsuspend.s
GNU assembler version 2.14.90.0.4 (i386-redhat-linux) using BFD version
2.14.90.0.4 20030523
sigsuspend.s: Assembler messages:
sigsuspend.s:83: Error: non-constant expression in ".if" statement
sigsuspend.s:84: Error: non-constant expression in ".if" statement
sigsuspend.s:87: Error: non-constant expression in ".if" statement

==============

.i file to come.