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ubsan: v850-opc.c:412 left shift cannot be represented

Browse source 
include/
	* opcode/v850.h (struct v850_operand <insert>): Make param op an
	unsigned long.
opcodes/
	* v850-opc.c (insert_i5div1, insert_i5div2, insert_i5div3),
	(insert_d5_4, insert_d8_6, insert_d8_7, insert_v8, insert_d9),
	(insert_u16_loop, insert_d16_15, insert_d16_16, insert_d17_16),
	(insert_d22, insert_d23, insert_d23_align1, insert_i9, insert_u9),
	(insert_spe, insert_r4, insert_POS, insert_WIDTH, insert_SELID),
	(insert_VECTOR8, insert_VECTOR5, insert_CACHEOP, insert_PREFOP),
	(nsert_IMM10U, insert_SRSEL1, insert_SRSEL2): Use unsigned long
	for value parameter and update code to suit.
	(extract_d9, extract_d16_15, extract_d16_16, extract_d17_16),
	(extract_d22, extract_d23, extract_i9): Use unsigned long variables.
This commit is contained in:
Alan Modra 2020-09-02 11:00:15 +09:30
parent b4b393495f
commit 7c80dd4c2c
4 changed files with 87 additions and 75 deletions
Download patch file Download diff file Expand all files Collapse all files

5
include/ChangeLog
View file

@ -1,3 +1,8 @@
2020-09-02 Alan Modra <amodra@gmail.com>
* opcode/v850.h (struct v850_operand <insert>): Make param op an
unsigned long.
2020-09-02 Cooper Qu <cooper.qu@linux.alibaba.com> 2020-09-02 Cooper Qu <cooper.qu@linux.alibaba.com>
* opcode/csky.h (CSKYV2_ISA_3E3R3): Define. * opcode/csky.h (CSKYV2_ISA_3E3R3): Define.

2
include/opcode/v850.h
View file

@ -133,7 +133,7 @@ struct v850_operand
operand value is legal, *ERRMSG will be unchanged (most operands operand value is legal, *ERRMSG will be unchanged (most operands
can accept any value). */ can accept any value). */
unsigned long (* insert) unsigned long (* insert)
(unsigned long instruction, long op, const char ** errmsg); (unsigned long instruction, unsigned long op, const char ** errmsg);
/* Extraction function. This is used by the disassembler. To /* Extraction function. This is used by the disassembler. To
extract this operand type from an instruction, check this field. extract this operand type from an instruction, check this field.

13
opcodes/ChangeLog
View file

@ -1,3 +1,16 @@
2020-09-02 Alan Modra <amodra@gmail.com>
* v850-opc.c (insert_i5div1, insert_i5div2, insert_i5div3),
(insert_d5_4, insert_d8_6, insert_d8_7, insert_v8, insert_d9),
(insert_u16_loop, insert_d16_15, insert_d16_16, insert_d17_16),
(insert_d22, insert_d23, insert_d23_align1, insert_i9, insert_u9),
(insert_spe, insert_r4, insert_POS, insert_WIDTH, insert_SELID),
(insert_VECTOR8, insert_VECTOR5, insert_CACHEOP, insert_PREFOP),
(nsert_IMM10U, insert_SRSEL1, insert_SRSEL2): Use unsigned long
for value parameter and update code to suit.
(extract_d9, extract_d16_15, extract_d16_16, extract_d17_16),
(extract_d22, extract_d23, extract_i9): Use unsigned long variables.
2020-09-02 Alan Modra <amodra@gmail.com> 2020-09-02 Alan Modra <amodra@gmail.com>
* i386-dis.c (OP_E_memory): Don't cast to signed type when * i386-dis.c (OP_E_memory): Don't cast to signed type when

142
opcodes/v850-opc.c
View file

@ -75,7 +75,7 @@ v850_msg_is_out_of_range (const char* msg)
} }
static unsigned long static unsigned long
insert_i5div1 (unsigned long insn, long value, const char ** errmsg) insert_i5div1 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 30 || value < 2) if (value > 30 || value < 2)
{ {
@ -104,7 +104,7 @@ extract_i5div1 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_i5div2 (unsigned long insn, long value, const char ** errmsg) insert_i5div2 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 30 || value < 4) if (value > 30 || value < 4)
{ {
@ -133,7 +133,7 @@ extract_i5div2 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_i5div3 (unsigned long insn, long value, const char ** errmsg) insert_i5div3 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 32 || value < 2) if (value > 32 || value < 2)
{ {
@ -162,9 +162,9 @@ extract_i5div3 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_d5_4 (unsigned long insn, long value, const char ** errmsg) insert_d5_4 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 0x1f || value < 0) if (value > 0x1f)
{ {
if (value & 1) if (value & 1)
* errmsg = _(not_valid); * errmsg = _(not_valid);
@ -192,9 +192,9 @@ extract_d5_4 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_d8_6 (unsigned long insn, long value, const char ** errmsg) insert_d8_6 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 0xff || value < 0) if (value > 0xff)
{ {
if ((value % 4) != 0) if ((value % 4) != 0)
* errmsg = _(not_valid); * errmsg = _(not_valid);
@ -222,9 +222,9 @@ extract_d8_6 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_d8_7 (unsigned long insn, long value, const char ** errmsg) insert_d8_7 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 0xff || value < 0) if (value > 0xff)
{ {
if ((value % 2) != 0) if ((value % 2) != 0)
* errmsg = _(not_valid); * errmsg = _(not_valid);
@ -252,9 +252,9 @@ extract_d8_7 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_v8 (unsigned long insn, long value, const char ** errmsg) insert_v8 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 0xff || value < 0) if (value > 0xff)
* errmsg = _(immediate_out_of_range); * errmsg = _(immediate_out_of_range);
return insn | (value & 0x1f) | ((value & 0xe0) << (27-5)); return insn | (value & 0x1f) | ((value & 0xe0) << (27-5));
@ -271,9 +271,9 @@ extract_v8 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_d9 (unsigned long insn, long value, const char ** errmsg) insert_d9 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 0xff || value < -0x100) if (value + 0x100 > 0x1ff)
{ {
if ((value % 2) != 0) if ((value % 2) != 0)
* errmsg = branch_out_of_range_and_odd_offset; * errmsg = branch_out_of_range_and_odd_offset;
@ -289,7 +289,7 @@ insert_d9 (unsigned long insn, long value, const char ** errmsg)
static unsigned long static unsigned long
extract_d9 (unsigned long insn, int * invalid) extract_d9 (unsigned long insn, int * invalid)
{ {
signed long ret = ((insn >> 7) & 0x1f0) | ((insn >> 3) & 0x0e); unsigned long ret = ((insn >> 7) & 0x1f0) | ((insn >> 3) & 0x0e);
ret = (ret ^ 0x100) - 0x100; ret = (ret ^ 0x100) - 0x100;
@ -299,11 +299,11 @@ extract_d9 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_u16_loop (unsigned long insn, long value, const char ** errmsg) insert_u16_loop (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
/* Loop displacement is encoded as a positive value, /* Loop displacement is encoded as a positive value,
even though the instruction branches backwards. */ even though the instruction branches backwards. */
if (value < 0 || value > 0xffff) if (value > 0xffff)
{ {
if ((value % 2) != 0) if ((value % 2) != 0)
* errmsg = branch_out_of_range_and_odd_offset; * errmsg = branch_out_of_range_and_odd_offset;
@ -327,9 +327,9 @@ extract_u16_loop (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_d16_15 (unsigned long insn, long value, const char ** errmsg) insert_d16_15 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 0x7fff || value < -0x8000) if (value + 0x8000 > 0xffff)
{ {
if ((value % 2) != 0) if ((value % 2) != 0)
* errmsg = _(not_valid); * errmsg = _(not_valid);
@ -345,7 +345,7 @@ insert_d16_15 (unsigned long insn, long value, const char ** errmsg)
static unsigned long static unsigned long
extract_d16_15 (unsigned long insn, int * invalid) extract_d16_15 (unsigned long insn, int * invalid)
{ {
signed long ret = (insn >> 16) & 0xfffe; unsigned long ret = (insn >> 16) & 0xfffe;
ret = (ret ^ 0x8000) - 0x8000; ret = (ret ^ 0x8000) - 0x8000;
@ -355,9 +355,9 @@ extract_d16_15 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_d16_16 (unsigned long insn, signed long value, const char ** errmsg) insert_d16_16 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 0x7fff || value < -0x8000) if (value + 0x8000 > 0xffff)
* errmsg = _(out_of_range); * errmsg = _(out_of_range);
return insn | ((value & 0xfffe) << 16) | ((value & 1) << 5); return insn | ((value & 0xfffe) << 16) | ((value & 1) << 5);
@ -366,7 +366,7 @@ insert_d16_16 (unsigned long insn, signed long value, const char ** errmsg)
static unsigned long static unsigned long
extract_d16_16 (unsigned long insn, int * invalid) extract_d16_16 (unsigned long insn, int * invalid)
{ {
signed long ret = ((insn >> 16) & 0xfffe) | ((insn >> 5) & 1); unsigned long ret = ((insn >> 16) & 0xfffe) | ((insn >> 5) & 1);
ret = (ret ^ 0x8000) - 0x8000; ret = (ret ^ 0x8000) - 0x8000;
@ -376,9 +376,9 @@ extract_d16_16 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_d17_16 (unsigned long insn, long value, const char ** errmsg) insert_d17_16 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 0xffff || value < -0x10000) if (value + 0x10000 > 0x1ffff)
* errmsg = _(out_of_range); * errmsg = _(out_of_range);
return insn | ((value & 0xfffe) << 16) | ((value & 0x10000) >> (16 - 4)); return insn | ((value & 0xfffe) << 16) | ((value & 0x10000) >> (16 - 4));
@ -387,19 +387,19 @@ insert_d17_16 (unsigned long insn, long value, const char ** errmsg)
static unsigned long static unsigned long
extract_d17_16 (unsigned long insn, int * invalid) extract_d17_16 (unsigned long insn, int * invalid)
{ {
signed long ret = ((insn >> 16) & 0xfffe) | ((insn << (16 - 4)) & 0x10000); unsigned long ret = ((insn >> 16) & 0xfffe) | ((insn << (16 - 4)) & 0x10000);
ret = (ret ^ 0x10000) - 0x10000; ret = (ret ^ 0x10000) - 0x10000;
if (invalid != 0) if (invalid != 0)
*invalid = 0; *invalid = 0;
return (unsigned long)ret; return ret;
} }
static unsigned long static unsigned long
insert_d22 (unsigned long insn, long value, const char ** errmsg) insert_d22 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 0x1fffff || value < -0x200000) if (value + 0x200000 > 0x3fffff)
{ {
if ((value % 2) != 0) if ((value % 2) != 0)
* errmsg = branch_out_of_range_and_odd_offset; * errmsg = branch_out_of_range_and_odd_offset;
@ -415,28 +415,28 @@ insert_d22 (unsigned long insn, long value, const char ** errmsg)
static unsigned long static unsigned long
extract_d22 (unsigned long insn, int * invalid) extract_d22 (unsigned long insn, int * invalid)
{ {
signed long ret = ((insn >> 16) & 0xfffe) | ((insn << 16) & 0x3f0000); unsigned long ret = ((insn >> 16) & 0xfffe) | ((insn << 16) & 0x3f0000);
ret = (ret ^ 0x200000) - 0x200000; ret = (ret ^ 0x200000) - 0x200000;
if (invalid != 0) if (invalid != 0)
*invalid = 0; *invalid = 0;
return (unsigned long) ret; return ret;
} }
static unsigned long static unsigned long
insert_d23 (unsigned long insn, long value, const char ** errmsg) insert_d23 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 0x3fffff || value < -0x400000) if (value + 0x400000 > 0x7fffff)
* errmsg = out_of_range; * errmsg = out_of_range;
return insn | ((value & 0x7f) << 4) | ((value & 0x7fff80) << (16-7)); return insn | ((value & 0x7f) << 4) | ((value & 0x7fff80) << (16-7));
} }
static unsigned long static unsigned long
insert_d23_align1 (unsigned long insn, long value, const char ** errmsg) insert_d23_align1 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 0x3fffff || value < -0x400000) if (value + 0x400000 > 0x7fffff)
{ {
if (value & 0x1) if (value & 0x1)
* errmsg = _(not_valid); * errmsg = _(not_valid);
@ -452,19 +452,19 @@ insert_d23_align1 (unsigned long insn, long value, const char ** errmsg)
static unsigned long static unsigned long
extract_d23 (unsigned long insn, int * invalid) extract_d23 (unsigned long insn, int * invalid)
{ {
signed long ret = ((insn >> 4) & 0x7f) | ((insn >> (16-7)) & 0x7fff80); unsigned long ret = ((insn >> 4) & 0x7f) | ((insn >> (16-7)) & 0x7fff80);
ret = (ret ^ 0x400000) - 0x400000; ret = (ret ^ 0x400000) - 0x400000;
if (invalid != 0) if (invalid != 0)
*invalid = 0; *invalid = 0;
return (unsigned long) ret; return ret;
} }
static unsigned long static unsigned long
insert_i9 (unsigned long insn, signed long value, const char ** errmsg) insert_i9 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
if (value > 0xff || value < -0x100) if (value + 0x100 > 0x1ff)
* errmsg = _(immediate_out_of_range); * errmsg = _(immediate_out_of_range);
return insn | ((value & 0x1e0) << 13) | (value & 0x1f); return insn | ((value & 0x1e0) << 13) | (value & 0x1f);
@ -473,7 +473,7 @@ insert_i9 (unsigned long insn, signed long value, const char ** errmsg)
static unsigned long static unsigned long
extract_i9 (unsigned long insn, int * invalid) extract_i9 (unsigned long insn, int * invalid)
{ {
signed long ret = ((insn >> 13) & 0x1e0) | (insn & 0x1f); unsigned long ret = ((insn >> 13) & 0x1e0) | (insn & 0x1f);
ret = (ret ^ 0x100) - 0x100; ret = (ret ^ 0x100) - 0x100;
@ -483,10 +483,8 @@ extract_i9 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_u9 (unsigned long insn, long v, const char ** errmsg) insert_u9 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
unsigned long value = (unsigned long) v;
if (value > 0x1ff) if (value > 0x1ff)
* errmsg = _(immediate_out_of_range); * errmsg = _(immediate_out_of_range);
@ -504,10 +502,8 @@ extract_u9 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_spe (unsigned long insn, long v, const char ** errmsg) insert_spe (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
unsigned long value = (unsigned long) v;
if (value != 3) if (value != 3)
* errmsg = _("invalid register for stack adjustment"); * errmsg = _("invalid register for stack adjustment");
@ -524,10 +520,8 @@ extract_spe (unsigned long insn ATTRIBUTE_UNUSED, int * invalid)
} }
static unsigned long static unsigned long
insert_r4 (unsigned long insn, long v, const char ** errmsg) insert_r4 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
unsigned long value = (unsigned long) v;
if (value >= 32) if (value >= 32)
* errmsg = _("invalid register name"); * errmsg = _("invalid register name");
@ -552,12 +546,12 @@ extract_r4 (unsigned long insn, int * invalid)
static unsigned long G_pos; static unsigned long G_pos;
static unsigned long static unsigned long
insert_POS (unsigned long insn, long pos, const char ** errmsg) insert_POS (unsigned long insn, unsigned long pos, const char ** errmsg)
{ {
if (pos > 0x1f || pos < 0) if (pos > 0x1f)
* errmsg = _(pos_out_of_range); * errmsg = _(pos_out_of_range);
G_pos = (unsigned long) pos; G_pos = pos;
return insn; /* Not an oparaton until WIDTH. */ return insn; /* Not an oparaton until WIDTH. */
} }
@ -598,17 +592,17 @@ extract_POS_L (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_WIDTH (unsigned long insn, long width, const char ** errmsg) insert_WIDTH (unsigned long insn, unsigned long width, const char ** errmsg)
{ {
unsigned long msb, lsb, opc, ret; unsigned long msb, lsb, opc, ret;
unsigned long msb_expand, lsb_expand; unsigned long msb_expand, lsb_expand;
msb = (unsigned long)width + G_pos - 1; msb = width + G_pos - 1;
lsb = G_pos; lsb = G_pos;
opc = 0; opc = 0;
G_pos = 0; G_pos = 0;
if (width > 0x20 || width < 0) if (width > 0x20)
* errmsg = _(width_out_of_range); * errmsg = _(width_out_of_range);
if ((msb >= 16) && (lsb >= 16)) if ((msb >= 16) && (lsb >= 16))
@ -691,9 +685,9 @@ extract_WIDTH_L (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_SELID (unsigned long insn, long selid, const char ** errmsg) insert_SELID (unsigned long insn, unsigned long selid, const char ** errmsg)
{ {
if ((unsigned long) selid > 0x1f) if (selid > 0x1f)
* errmsg = _(selid_out_of_range); * errmsg = _(selid_out_of_range);
return insn | ((selid & 0x1fUL) << 27); return insn | ((selid & 0x1fUL) << 27);
@ -716,12 +710,12 @@ extract_SELID (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_VECTOR8 (unsigned long insn, long vector8, const char ** errmsg) insert_VECTOR8 (unsigned long insn, unsigned long vector8, const char ** errmsg)
{ {
unsigned long ret; unsigned long ret;
unsigned long VVV,vvvvv; unsigned long VVV, vvvvv;
if (vector8 > 0xff || vector8 < 0) if (vector8 > 0xff)
* errmsg = _(vector8_out_of_range); * errmsg = _(vector8_out_of_range);
VVV = (vector8 & 0xe0) >> 5; VVV = (vector8 & 0xe0) >> 5;
@ -751,12 +745,12 @@ extract_VECTOR8 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_VECTOR5 (unsigned long insn, long vector5, const char ** errmsg) insert_VECTOR5 (unsigned long insn, unsigned long vector5, const char ** errmsg)
{ {
unsigned long ret; unsigned long ret;
unsigned long vvvvv; unsigned long vvvvv;
if (vector5 > 0x1f || vector5 < 0) if (vector5 > 0x1f)
* errmsg = _(vector5_out_of_range); * errmsg = _(vector5_out_of_range);
vvvvv = (vector5 & 0x1f); vvvvv = (vector5 & 0x1f);
@ -780,10 +774,10 @@ extract_VECTOR5 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_CACHEOP (unsigned long insn, long cacheop, const char ** errmsg ATTRIBUTE_UNUSED) insert_CACHEOP (unsigned long insn, unsigned long cacheop, const char ** errmsg ATTRIBUTE_UNUSED)
{ {
unsigned long ret; unsigned long ret;
unsigned long pp,PPPPP; unsigned long pp, PPPPP;
pp = (cacheop & 0x60) >> 5; pp = (cacheop & 0x60) >> 5;
PPPPP = (cacheop & 0x1f); PPPPP = (cacheop & 0x1f);
@ -797,7 +791,7 @@ static unsigned long
extract_CACHEOP (unsigned long insn, int * invalid) extract_CACHEOP (unsigned long insn, int * invalid)
{ {
unsigned long ret; unsigned long ret;
unsigned long pp,PPPPP; unsigned long pp, PPPPP;
unsigned long insn2; unsigned long insn2;
insn2 = insn >> 16; insn2 = insn >> 16;
@ -814,7 +808,7 @@ extract_CACHEOP (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_PREFOP (unsigned long insn, long prefop, const char ** errmsg ATTRIBUTE_UNUSED) insert_PREFOP (unsigned long insn, unsigned long prefop, const char ** errmsg ATTRIBUTE_UNUSED)
{ {
unsigned long ret; unsigned long ret;
unsigned long PPPPP; unsigned long PPPPP;
@ -846,15 +840,15 @@ extract_PREFOP (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_IMM10U (unsigned long insn, long value, const char ** errmsg) insert_IMM10U (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
unsigned long imm10, ret; unsigned long imm10, ret;
unsigned long iiiii,IIIII; unsigned long iiiii,IIIII;
if (value > 0x3ff || value < 0) if (value > 0x3ff)
* errmsg = _(imm10_out_of_range); * errmsg = _(imm10_out_of_range);
imm10 = ((unsigned long) value) & 0x3ff; imm10 = value & 0x3ff;
IIIII = (imm10 >> 5) & 0x1f; IIIII = (imm10 >> 5) & 0x1f;
iiiii = imm10 & 0x1f; iiiii = imm10 & 0x1f;
@ -883,15 +877,15 @@ extract_IMM10U (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_SRSEL1 (unsigned long insn, long value, const char ** errmsg) insert_SRSEL1 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
unsigned long imm10, ret; unsigned long imm10, ret;
unsigned long sr,selid; unsigned long sr,selid;
if (value > 0x3ff || value < 0) if (value > 0x3ff)
* errmsg = _(sr_selid_out_of_range); * errmsg = _(sr_selid_out_of_range);
imm10 = (unsigned long) value; imm10 = value;
selid = (imm10 & 0x3e0) >> 5; selid = (imm10 & 0x3e0) >> 5;
sr = imm10 & 0x1f; sr = imm10 & 0x1f;
@ -921,15 +915,15 @@ extract_SRSEL1 (unsigned long insn, int * invalid)
} }
static unsigned long static unsigned long
insert_SRSEL2 (unsigned long insn, long value, const char ** errmsg) insert_SRSEL2 (unsigned long insn, unsigned long value, const char ** errmsg)
{ {
unsigned long imm10, ret; unsigned long imm10, ret;
unsigned long sr, selid; unsigned long sr, selid;
if (value > 0x3ff || value < 0) if (value > 0x3ff)
* errmsg = _(sr_selid_out_of_range); * errmsg = _(sr_selid_out_of_range);
imm10 = (unsigned long) value; imm10 = value;
selid = (imm10 & 0x3e0) >> 5; selid = (imm10 & 0x3e0) >> 5;
sr = imm10 & 0x1f; sr = imm10 & 0x1f;