diff options
Diffstat (limited to 'gas/config/tc-mips.c')
| -rw-r--r-- | gas/config/tc-mips.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c index a9b46e9..29d2c02 100644 --- a/gas/config/tc-mips.c +++ b/gas/config/tc-mips.c @@ -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 |