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Re: [basic-improvements-branch] corruption somewhere...
- From: Eric Christopher <echristo at redhat dot com>
- To: Eric Christopher <echristo at redhat dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: 23 Oct 2002 15:39:55 -0700
- Subject: Re: [basic-improvements-branch] corruption somewhere...
- References: <1035412460.3719.163.camel@ghostwheel>
Please ignore this. I had a local patch I thought was in a different
tree. Turns out that patch doesn't work right :)
-eric
On Wed, 2002-10-23 at 15:34, Eric Christopher wrote:
> Haven't debugged this much, but I ran into this trying to build a
> mips64-elf toolchain:
>
> (gdb) p insn
> $3 = 0x400a524c
> (gdb) pr
> (insn:HI 43 41 44 0 0x40096e80 (reg/v:DI 182) 36 {mulsi3_r4000}
> (insn_list 41 (nil))
> (expr_list:REG_DEAD (reg:SI 212)
> (expr_list:REG_DEAD (reg:SI 193)
> (expr_list:REG_UNUSED (scratch:SI)
> (expr_list:REG_UNUSED (scratch:SI)
> (expr_list:REG_UNUSED (scratch:SI)
> (nil)))))))
>
> Whereas, of course, that is supposed to match this pattern:
>
> (define_insn "mulsi3_r4000"
> [(set (match_operand:SI 0 "register_operand" "=d")
> (mult:SI (match_operand:SI 1 "register_operand" "d")
> (match_operand:SI 2 "register_operand" "d")))
> (clobber (match_scratch:SI 3 "=h"))
> (clobber (match_scratch:SI 4 "=l"))
> (clobber (match_scratch:SI 5 "=a"))]
> "TARGET_MIPS4000 && !TARGET_MIPS16"
> "*
> {
> rtx xoperands[10];
>
> xoperands[0] = operands[0];
> xoperands[1] = gen_rtx_REG (SImode, LO_REGNUM);
>
> output_asm_insn (\"mult\\t%1,%2\", operands);
> output_asm_insn (mips_move_1word (xoperands, insn, FALSE), xoperands);
> return \"\";
> }"
> [(set_attr "type" "imul")
> (set_attr "mode" "SI")
> (set_attr "length" "12")]) ;; mult + mflo + delay
>
> Anyhow, I'll debug more, but I was just posting this if anyone else has
> run into it.
>
> -eric
>
> --
> Yeah, I used to play basketball...
>
--
Yeah, I used to play basketball...