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Re: strange code in ra-build.c:handle_asm_insn
- From: Denis Chertykov <denisc at overta dot ru>
- To: Joern Rennecke <joern dot rennecke at superh dot com>
- Cc: Michael Matz <matz at suse dot de>, gcc at gcc dot gnu dot org
- Date: 24 Dec 2002 20:55:46 +0300
- Subject: Re: strange code in ra-build.c:handle_asm_insn
- References: <3E074B2B.E2393D68@superh.com>
Joern Rennecke <joern.rennecke@superh.com> writes:
> Why do you call REG_CLASS_FROM_LETTER when you encounter digits
> between 5 and 9?
>
> case '=': case '+': case '*': case '%': case '?': case '!':
> case '0': case '1': case '2': case '3': case '4': case 'm':
> case '<': case '>': case 'V': case 'o': case '&': case 'E':
> case 'F': case 's': case 'i': case 'n': case 'X': case 'I':
> case 'J': case 'K': case 'L': case 'M': case 'N': case 'O':
> case 'P':
> break;
> ...
> default:
> cls =
> (int) reg_class_subunion[cls][(int)
> REG_CLASS_FROM_LETTER (c)];
IMHO: The handle_asm_insn used only for debugging.
IMHO: Michael just copied and modified reload1.c:maybe_fix_stack_asms.
maybe_fix_stack_asms still have equal part.
It's a bug.
Denis.