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(push_reload): Move the NO_REGS abort after the error check for asms, to avoid crashing for asms.

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(push_reload): Move the NO_REGS abort after the
error check for asms, to avoid crashing for asms.
Fix inmode and outmode too, if they are VOID for an asm.

From-SVN: r2989
This commit is contained in:
Richard Stallman 1992-12-30 07:28:37 +00:00
parent 2e4cd151b8
commit 5488078fdc
1 changed files with 12 additions and 3 deletions
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15
gcc/reload.c
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@ -695,9 +695,6 @@ push_reload (in, out, inloc, outloc, class,
class = LIMIT_RELOAD_CLASS (GET_MODE (SUBREG_REG (out)), class);
#endif
if (class == NO_REGS)
abort ();
/* Verify that this class is at least possible for the mode that
is specified. */
if (this_insn_is_asm)
@ -707,6 +704,15 @@ push_reload (in, out, inloc, outloc, class,
mode = inmode;
else
mode = outmode;
if (mode == VOIDmode)
{
error_for_asm (this_insn, "cannot reload integer constant operand in `asm'");
mode = word_mode;
if (in != 0)
inmode = word_mode;
if (out != 0)
outmode = word_mode;
}
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
if (HARD_REGNO_MODE_OK (i, mode)
&& TEST_HARD_REG_BIT (reg_class_contents[(int) class], i))
@ -727,6 +733,9 @@ push_reload (in, out, inloc, outloc, class,
}
}
if (class == NO_REGS)
abort ();
/* We can use an existing reload if the class is right
and at least one of IN and OUT is a match
and the other is at worst neutral.