aboutsummaryrefslogtreecommitdiff
path: root/gas
diff options
context:
space:
mode:
authorRichard Sandiford <rdsandiford@googlemail.com>2013-07-07 10:00:43 +0000
committerRichard Sandiford <rdsandiford@googlemail.com>2013-07-07 10:00:43 +0000
commit23e69e47b4cb274e848e0f06e240cdf43b8e0a69 (patch)
tree64d09f5759d5465030d9de37881eb0fd2a728404 /gas
parent27c5c572c911ec2f77bab953586870919db15a29 (diff)
downloadgdb-23e69e47b4cb274e848e0f06e240cdf43b8e0a69.zip
gdb-23e69e47b4cb274e848e0f06e240cdf43b8e0a69.tar.gz
gdb-23e69e47b4cb274e848e0f06e240cdf43b8e0a69.tar.bz2
include/opcode/
* mips.h: Update documentation of "+s" and "+S". opcodes/ * mips-opc.c (mips_builtin_opcodes): Use "+s" for "cins32" and "+S" for "cins". * mips-dis.c (print_mips_arg): Update "+s" and "+S" comments. Combine cases. gas/ * config/tc-mips.c (mips_ip): Preserve the real bit number for "+p". Require the msb to be <= 31 for "+s". Check that the size is <= 31 for both "+s" and "+S".
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog6
-rw-r--r--gas/config/tc-mips.c13
2 files changed, 12 insertions, 7 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 3450c83..6b60e2d 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,11 @@
2013-07-07 Richard Sandiford <rdsandiford@googlemail.com>
+ * config/tc-mips.c (mips_ip): Preserve the real bit number for "+p".
+ Require the msb to be <= 31 for "+s". Check that the size is <= 31
+ for both "+s" and "+S".
+
+2013-07-07 Richard Sandiford <rdsandiford@googlemail.com>
+
* config/tc-mips.c (validate_mips_insn, validate_micromips_insn):
(mips_ip, mips16_ip): Handle "+i".
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index 9d058af..7acb5e2 100644
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -12016,8 +12016,7 @@ mips_ip (char *str, struct mips_cl_insn *ip)
(unsigned long) imm_expr.X_add_number);
imm_expr.X_add_number = 0;
}
- /* Make the pos explicit to simplify +S. */
- lastpos = imm_expr.X_add_number + 32;
+ lastpos = imm_expr.X_add_number;
INSERT_OPERAND (0, CINSPOS, *ip, imm_expr.X_add_number);
imm_expr.X_op = O_absent;
s = expr_end;
@@ -12039,11 +12038,12 @@ mips_ip (char *str, struct mips_cl_insn *ip)
continue;
case 's':
- /* cins and exts length-minus-one field. */
+ /* cins32 and exts32 length-minus-one field. */
gas_assert (!mips_opts.micromips);
my_getExpression (&imm_expr, s);
check_absolute_expr (ip, &imm_expr);
- if ((unsigned long) imm_expr.X_add_number > 31)
+ if ((unsigned long) imm_expr.X_add_number > 31
+ || (unsigned long) imm_expr.X_add_number + lastpos > 31)
{
as_bad (_("Improper size (%lu)"),
(unsigned long) imm_expr.X_add_number);
@@ -12055,12 +12055,11 @@ mips_ip (char *str, struct mips_cl_insn *ip)
continue;
case 'S':
- /* cins32/exts32 and cins/exts aliasing cint32/exts32
- length-minus-one field. */
+ /* cins/exts length-minus-one field. */
gas_assert (!mips_opts.micromips);
my_getExpression (&imm_expr, s);
check_absolute_expr (ip, &imm_expr);
- if ((long) imm_expr.X_add_number < 0
+ if ((unsigned long) imm_expr.X_add_number > 31
|| (unsigned long) imm_expr.X_add_number + lastpos > 63)
{
as_bad (_("Improper size (%lu)"),