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2013-04-30 Chao-ying Fu <Chao-ying.Fu@imgtec.com> 

* config/tc-mips.c (mips_ip): Add sizelo.
	For "+C", "+G", and "+H", set sizelo and compare against it.
This commit is contained in:
Chao-ying Fu 2013-05-01 01:02:01 +00:00
parent 49fcdb99e2
commit f02d83189e
2 changed files with 13 additions and 5 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
2013-04-30 Chao-ying Fu <Chao-ying.Fu@imgtec.com>
* config/tc-mips.c (mips_ip): Add sizelo.
For "+C", "+G", and "+H", set sizelo and compare against it.
2013-04-29 Nick Clifton <nickc@redhat.com>
* as.c (Options): Add -gdwarf-sections.

13
gas/config/tc-mips.c
View File

@ -10790,6 +10790,7 @@ mips_ip (char *str, struct mips_cl_insn *ip)
unsigned int destregno = 0;
unsigned int lastpos = 0;
unsigned int limlo, limhi;
int sizelo;
char *s_reset;
offsetT min_range, max_range;
long opend;
@ -11374,23 +11375,25 @@ mips_ip (char *str, struct mips_cl_insn *ip)
case 'C': /* ext size, becomes MSBD. */
limlo = 1;
limhi = 32;
sizelo = 1;
goto do_msbd;
case 'G':
limlo = 33;
limhi = 64;
sizelo = 33;
goto do_msbd;
case 'H':
limlo = 33;
limhi = 64;
sizelo = 1;
goto do_msbd;
do_msbd:
my_getExpression (&imm_expr, s);
check_absolute_expr (ip, &imm_expr);
/* Check for negative input so that small negative numbers
will not succeed incorrectly. The checks against
(pos+size) transitively check "size" itself,
assuming that "pos" is reasonable. */
if ((long) imm_expr.X_add_number < 0
/* The checks against (pos+size) don't transitively check
"size" itself, assuming that "pos" is reasonable.
We also need to check the lower bound of "size". */
if ((long) imm_expr.X_add_number < sizelo
|| ((unsigned long) imm_expr.X_add_number
+ lastpos) < limlo
|| ((unsigned long) imm_expr.X_add_number