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expr.c (emit_move_insn_1): Abort if MODE argument is invalid.

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1999-04-27 08:32 -0400  Zack Weinberg  <zack@rabi.columbia.edu>
	* expr.c (emit_move_insn_1): Abort if MODE argument is invalid.
	(compare): Punt if TREE_OPERAND (exp, 0) is an ERROR_MARK.

From-SVN: r26673
This commit is contained in:
Zack Weinberg 1999-04-27 05:34:43 +00:00 committed by Zack Weinberg
parent d2e0d40a13
commit 76bbe0281d
2 changed files with 24 additions and 8 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
1999-04-27 08:32 -0400 Zack Weinberg <zack@rabi.columbia.edu>
* expr.c (emit_move_insn_1): Abort if MODE argument is invalid.
(compare): Punt if TREE_OPERAND (exp, 0) is an ERROR_MARK.
Tue Apr 27 01:33:43 1999 Jeffrey A Law (law@cygnus.com)
* Makefile.in (ORDINARY_FLAGS_TO_PASS): Renmaed from FLAGS_TO_PASS.

27
gcc/expr.c
View File

@ -2565,6 +2565,9 @@ emit_move_insn_1 (x, y)
enum mode_class class = GET_MODE_CLASS (mode);
int i;
if (mode >= MAX_MACHINE_MODE)
abort ();
if (mov_optab->handlers[(int) mode].insn_code != CODE_FOR_nothing)
return
emit_insn (GEN_FCN (mov_optab->handlers[(int) mode].insn_code) (x, y));
@ -11205,14 +11208,22 @@ compare (exp, signed_code, unsigned_code)
register tree exp;
enum rtx_code signed_code, unsigned_code;
{
register rtx op0
= expand_expr (TREE_OPERAND (exp, 0), NULL_RTX, VOIDmode, 0);
register rtx op1
= expand_expr (TREE_OPERAND (exp, 1), NULL_RTX, VOIDmode, 0);
register tree type = TREE_TYPE (TREE_OPERAND (exp, 0));
register enum machine_mode mode = TYPE_MODE (type);
int unsignedp = TREE_UNSIGNED (type);
enum rtx_code code = unsignedp ? unsigned_code : signed_code;
register rtx op0, op1;
register tree type;
register enum machine_mode mode;
int unsignedp;
enum rtx_code code;
/* Don't crash if the comparison was erroneous. */
op0 = expand_expr (TREE_OPERAND (exp, 0), NULL_RTX, VOIDmode, 0);
if (TREE_CODE (TREE_OPERAND (exp, 0)) == ERROR_MARK)
return op0;
op1 = expand_expr (TREE_OPERAND (exp, 1), NULL_RTX, VOIDmode, 0);
type = TREE_TYPE (TREE_OPERAND (exp, 0));
mode = TYPE_MODE (type);
unsignedp = TREE_UNSIGNED (type);
code = unsignedp ? unsigned_code : signed_code;
#ifdef HAVE_canonicalize_funcptr_for_compare
/* If function pointers need to be "canonicalized" before they can