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From: bangerth@dealii.org To: demon_lord@myrealbox.com, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org Subject: Re: optimization/8737: ICE in spill_failure, at reload1.c:1916 with SSE Date: Wed, 04 Dec 2002 14:05:00 -0000 [thread overview] Message-ID: <20021204220514.2641.qmail@sources.redhat.com> (raw) Old Synopsis: Pentium4 + SSE: register to spill in class 'FLOAT_REGS' [minimal example] New Synopsis: ICE in spill_failure, at reload1.c:1916 with SSE State-Changed-From-To: open->analyzed State-Changed-By: bangerth State-Changed-When: Wed Dec 4 14:05:13 2002 State-Changed-Why: Confirmed. With 3.2.2pre I get tmp/g> /home/bangerth/bin/gcc-3.2.2-pre/bin/gcc -march=pentium4 -O -mfpmath=sse -c x.c x.c: In function `main': x.c:17: unable to find a register to spill in class `FLOAT_REGS' x.c:17: this is the insn: (insn 52 50 53 (set (subreg:SF (reg/v:DI 22 rxmm1 [67]) 0) (float:SF (reg:DI 0 rax [73]))) 170 {*floatdisf2_i387_only} (nil) (nil)) x.c:17: confused by earlier errors, bailing out 3.3pre gives a slightly different message, but dies as well: tmp/g> /home/bangerth/bin/gcc-3.3-pre/bin/gcc -march=pentium4 -O -mfpmath=sse -c x.c x.c: In function `main': x.c:17: error: unable to find a register to spill in class `FLOAT_REGS' x.c:17: error: this is the insn: (insn 40 39 41 2 0x401812c0 (set (subreg:SF (reg/v:DI 22 rxmm1 [67]) 0) (float:SF (reg:DI 0 rax [73]))) 126 {*floatdisf2_i387_only} (nil) (nil)) x.c:17: internal compiler error: in spill_failure, at reload1.c:1916 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8737
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