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reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.

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* reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
	"=u" is used together with "st" resp. "st(1)" clobber.

From-SVN: r41446
This commit is contained in:
Jakub Jelinek 2001-04-20 10:06:03 +02:00 • committed by Jakub Jelinek
parent c0230f3744
commit d40cd80a97
2 changed files with 19 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2001-04-20 Jakub Jelinek <jakub@redhat.com>
* reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
"=u" is used together with "st" resp. "st(1)" clobber.
2001-04-20 Jakub Jelinek <jakub@redhat.com>
* gcse.c (gcse_main): Fix comment typo.

15
gcc/reg-stack.c
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@ -662,7 +662,20 @@ check_asm_stack_operands (insn)
malformed_asm = 1;
}
else
reg_used_as_output[REGNO (recog_data.operand[i])] = 1;
{
int j;
for (j = 0; j < n_clobbers; j++)
if (REGNO (recog_data.operand[i]) == REGNO (clobber_reg[j]))
{
error_for_asm (insn, "Output constraint %d cannot be specified together with \"%s\" clobber",
i, reg_names [REGNO (clobber_reg[j])]);
malformed_asm = 1;
break;
}
if (j == n_clobbers)
reg_used_as_output[REGNO (recog_data.operand[i])] = 1;
}
}