This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/47449] [32] canât find a register in class âDIREGâ while reloading âasmâ
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 24 Jan 2011 23:17:01 +0000
- Subject: [Bug target/47449] [32] canât find a register in class âDIREGâ while reloading âasmâ
- Auto-submitted: auto-generated
- References: <bug-47449-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47449
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2011-01-24 23:16:57 UTC ---
fwprop1 turns:
(insn 2 4 3 2 (set (reg/v/f:DI 61 [ trans ])
(zero_extend:DI (reg:SI 5 di [ trans ]))) x.c:4 115
{*zero_extendsidi2_r
ex64}
(nil))
(note 3 2 6 2 NOTE_INSN_FUNCTION_BEG)
(insn 6 3 7 2 (parallel [
(set (reg:SI 62 [ ret ])
(asm_operands:SI ("negl %0
") ("=D") 0 []
[]
[] x.c:9))
(clobber (reg:QI 18 fpsr))
(clobber (reg:QI 17 flags))
]) x.c:6 -1
(nil))
into
(insn 6 3 9 2 (parallel [
(set (reg:SI 62 [ ret ])
(asm_operands:SI ("negl %0
") ("=D") 0 []
[]
[] x.c:9))
(clobber (reg:QI 18 fpsr))
(clobber (reg:QI 17 flags))
]) x.c:6 -1
(expr_list:REG_UNUSED (reg:QI 18 fpsr)
(expr_list:REG_UNUSED (reg:QI 17 flags)
(nil))))
IRA can't deal with it.