darkkirb/old-cross-binutils
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

* cpu-ia64-opc.c (ext_imms_scaled): Don't sign extend using shifts.

Browse source 
(ins_imms, ins_immsm1u4): Likewise.  Warning fix.
This commit is contained in:
Alan Modra 2003-06-30 04:09:27 +00:00
parent 3c6cb4a1a4
commit 113202d6bc
2 changed files with 11 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
bfd/ChangeLog
View file

@ -1,3 +1,8 @@
2003-06-30 Alan Modra <amodra@bigpond.net.au>
* cpu-ia64-opc.c (ext_imms_scaled): Don't sign extend using shifts.
(ins_imms, ins_immsm1u4): Likewise. Warning fix.
2003-06-29 Alan Modra <amodra@bigpond.net.au>
* archive.c: Convert to C90, remove unnecessary prototypes and casts.

18
bfd/cpu-ia64-opc.c
View file

@ -161,8 +161,8 @@ static const char*
ext_imms_scaled (const struct ia64_operand *self, ia64_insn code,
ia64_insn *valuep, int scale)
{
int i, bits = 0, total = 0, shift;
BFD_HOST_64_BIT val = 0;
int i, bits = 0, total = 0;
BFD_HOST_64_BIT val = 0, sign;
for (i = 0; i < NELEMS (self->field) && self->field[i].bits; ++i)
{
@ -172,8 +172,8 @@ ext_imms_scaled (const struct ia64_operand *self, ia64_insn code,
total += bits;
}
/* sign extend: */
shift = 8*sizeof (val) - total;
val = (val << shift) >> shift;
sign = (BFD_HOST_64_BIT) 1 << (total - 1);
val = (val ^ sign) - sign;
*valuep = (val << scale);
return 0;
@ -188,10 +188,7 @@ ins_imms (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
static const char*
ins_immsu4 (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
{
if (value == (BFD_HOST_U_64_BIT) 0x100000000)
value = 0;
else
value = (((BFD_HOST_64_BIT)value << 32) >> 32);
value = ((value & 0xffffffff) ^ 0x80000000) - 0x80000000;
return ins_imms_scaled (self, value, code, 0);
}
@ -213,10 +210,7 @@ static const char*
ins_immsm1u4 (const struct ia64_operand *self, ia64_insn value,
ia64_insn *code)
{
if (value == (BFD_HOST_U_64_BIT) 0x100000000)
value = 0;
else
value = (((BFD_HOST_64_BIT)value << 32) >> 32);
value = ((value & 0xffffffff) ^ 0x80000000) - 0x80000000;
--value;
return ins_imms_scaled (self, value, code, 0);