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reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0 after reload.

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* reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
        after reload.

From-SVN: r24287
This commit is contained in:
J"orn Rennecke 1998-12-12 23:26:22 +00:00 committed by Jeff Law
parent 4566eb621b
commit 404d95c460
2 changed files with 19 additions and 4 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
* reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
after reload.
Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
* i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.

18
gcc/reload1.c
View File

@ -536,10 +536,20 @@ compute_use_by_pseudos (to, from)
int r = reg_renumber[regno];
int nregs;
if (r < 0)
abort ();
nregs = HARD_REGNO_NREGS (r, PSEUDO_REGNO_MODE (regno));
while (nregs-- > 0)
SET_HARD_REG_BIT (*to, r + nregs);
{
/* reload_combine uses the information from
basic_block_live_at_start, which might still contain registers
that have not actually been allocated since they have an
equivalence. */
if (! reload_completed)
abort ();
}
else
{
nregs = HARD_REGNO_NREGS (r, PSEUDO_REGNO_MODE (regno));
while (nregs-- > 0)
SET_HARD_REG_BIT (*to, r + nregs);
}
});
}