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final.c (insn_noperands): Change type to unsigned int.

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	* final.c (insn_noperands): Change type to unsigned int.
	(final_scan_insn): Likewise for noperands;
	properly check operand number boundaries.

From-SVN: r18693
This commit is contained in:
Manfred Hollstein 1998-03-19 00:01:20 +00:00
parent af7da1998d
commit 22bf44225f
1 changed files with 4 additions and 4 deletions
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8
gcc/final.c
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@ -161,7 +161,7 @@ extern int length_unit_log; /* This is defined in insn-attrtab.c. */
static rtx this_is_asm_operands;
/* Number of operands of this insn, for an `asm' with operands. */
static int insn_noperands;
static unsigned int insn_noperands;
/* Compare optimization flag. */
@ -2366,7 +2366,7 @@ final_scan_insn (insn, file, optimize, prescan, nopeepholes)
/* Detect `asm' construct with operands. */
if (asm_noperands (body) >= 0)
{
int noperands = asm_noperands (body);
unsigned int noperands = asm_noperands (body);
rtx *ops = (rtx *) alloca (noperands * sizeof (rtx));
char *string;
@ -3255,7 +3255,7 @@ output_asm_insn (template, operands)
if (! (*p >= '0' && *p <= '9'))
output_operand_lossage ("operand number missing after %-letter");
else if (this_is_asm_operands && c >= insn_noperands)
else if (this_is_asm_operands && (c < 0 || (unsigned int) c >= insn_noperands))
output_operand_lossage ("operand number out of range");
else if (letter == 'l')
output_asm_label (operands[c]);
@ -3288,7 +3288,7 @@ output_asm_insn (template, operands)
else if (*p >= '0' && *p <= '9')
{
c = atoi (p);
if (this_is_asm_operands && c >= insn_noperands)
if (this_is_asm_operands && (c < 0 || (unsigned int) c >= insn_noperands))
output_operand_lossage ("operand number out of range");
else
output_operand (operands[c], 0);