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authorGabe Black <gabeblack@google.com>2018-05-23 16:47:31 -0700
committerGabe Black <gabeblack@google.com>2018-05-24 20:14:00 +0000
commit6925bf55005c118dc2580ba83e0fa10b31839ef9 (patch)
tree82580fdd071a52514e56a6ca095c2f1ce720d8dc /src/arch
parentef96b32a28424e0d543198fee0964bb05c88704f (diff)
downloadgem5-6925bf55005c118dc2580ba83e0fa10b31839ef9.tar.xz
x86: Add op classes to the MediaOps.
The ISA parser had been assuming these microops were all FloatAddOp which is usually not correct. Change-Id: Ic54881d16f16b50c3d6a8c74b94bff9ae3b1f43e Reviewed-on: https://gem5-review.googlesource.com/10541 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com> Reviewed-by: Tariq Azmy <tariqslayer01@gmail.com> Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/x86/isa/microops/mediaop.isa44
1 files changed, 43 insertions, 1 deletions
diff --git a/src/arch/x86/isa/microops/mediaop.isa b/src/arch/x86/isa/microops/mediaop.isa
index 7e28bc277..f9c6a9f9b 100644
--- a/src/arch/x86/isa/microops/mediaop.isa
+++ b/src/arch/x86/isa/microops/mediaop.isa
@@ -154,7 +154,11 @@ let {{
templates = regTemplates
# Get everything ready for the substitution
- iop = InstObjParams(name, Name + suffix, base, {"code" : code})
+ opt_args = []
+ if self.op_class:
+ opt_args.append(self.op_class)
+ iop = InstObjParams(name, Name + suffix, base, {"code" : code},
+ opt_args)
# Generate the actual code (finally!)
header_output += templates[0].subst(iop)
@@ -168,6 +172,8 @@ let {{
if "abstract" in dict:
abstract = dict['abstract']
del dict['abstract']
+ if not "op_class" in dict:
+ dict["op_class"] = None
cls = super(MediaOpMeta, mcls).__new__(mcls, Name, bases, dict)
if not abstract:
@@ -237,6 +243,7 @@ let {{
size = None, destSize = None, srcSize = None, ext = None):
super(Mov2int, self).__init__(dest, src1,\
src2, size, destSize, srcSize, ext)
+ op_class = 'SimdMiscOp'
code = '''
int items = sizeof(FloatRegBits) / srcSize;
int offset = imm8;
@@ -258,6 +265,7 @@ let {{
size = None, destSize = None, srcSize = None, ext = None):
super(Mov2fp, self).__init__(dest, src1,\
src2, size, destSize, srcSize, ext)
+ op_class = 'SimdMiscOp'
code = '''
int items = sizeof(FloatRegBits) / destSize;
int offset = imm8;
@@ -279,6 +287,7 @@ let {{
size = None, destSize = None, srcSize = None, ext = None):
super(Movsign, self).__init__(dest, src,\
"InstRegIndex(0)", size, destSize, srcSize, ext)
+ op_class = 'SimdMiscOp'
code = '''
int items = sizeof(FloatRegBits) / srcSize;
uint64_t result = 0;
@@ -292,6 +301,7 @@ let {{
'''
class Maskmov(MediaOp):
+ op_class = 'SimdMiscOp'
code = '''
assert(srcSize == destSize);
int size = srcSize;
@@ -310,6 +320,7 @@ let {{
'''
class shuffle(MediaOp):
+ op_class = 'SimdMiscOp'
code = '''
assert(srcSize == destSize);
int size = srcSize;
@@ -352,6 +363,7 @@ let {{
'''
class Unpack(MediaOp):
+ op_class = 'SimdMiscOp'
code = '''
assert(srcSize == destSize);
int size = destSize;
@@ -378,6 +390,7 @@ let {{
'''
class Pack(MediaOp):
+ op_class = 'SimdMiscOp'
code = '''
assert(srcSize == destSize * 2);
int items = (sizeof(FloatRegBits) / destSize);
@@ -447,6 +460,7 @@ let {{
class Mxor(MediaOp):
def __init__(self, dest, src1, src2):
super(Mxor, self).__init__(dest, src1, src2, 1)
+ op_class = 'SimdAluOp'
code = '''
FpDestReg_uqw = FpSrcReg1_uqw ^ FpSrcReg2_uqw;
'''
@@ -454,6 +468,7 @@ let {{
class Mor(MediaOp):
def __init__(self, dest, src1, src2):
super(Mor, self).__init__(dest, src1, src2, 1)
+ op_class = 'SimdAluOp'
code = '''
FpDestReg_uqw = FpSrcReg1_uqw | FpSrcReg2_uqw;
'''
@@ -461,6 +476,7 @@ let {{
class Mand(MediaOp):
def __init__(self, dest, src1, src2):
super(Mand, self).__init__(dest, src1, src2, 1)
+ op_class = 'SimdAluOp'
code = '''
FpDestReg_uqw = FpSrcReg1_uqw & FpSrcReg2_uqw;
'''
@@ -468,11 +484,13 @@ let {{
class Mandn(MediaOp):
def __init__(self, dest, src1, src2):
super(Mandn, self).__init__(dest, src1, src2, 1)
+ op_class = 'SimdAluOp'
code = '''
FpDestReg_uqw = ~FpSrcReg1_uqw & FpSrcReg2_uqw;
'''
class Mminf(MediaOp):
+ op_class = 'SimdFloatCmpOp'
code = '''
union floatInt
{
@@ -523,6 +541,7 @@ let {{
'''
class Mmaxf(MediaOp):
+ op_class = 'SimdFloatCmpOp'
code = '''
union floatInt
{
@@ -573,6 +592,7 @@ let {{
'''
class Mmini(MediaOp):
+ op_class = 'SimdCmpOp'
code = '''
assert(srcSize == destSize);
@@ -611,6 +631,7 @@ let {{
'''
class Mmaxi(MediaOp):
+ op_class = 'SimdCmpOp'
code = '''
assert(srcSize == destSize);
@@ -649,6 +670,7 @@ let {{
'''
class Msqrt(MediaOp):
+ op_class = 'SimdFloatSqrtOp'
def __init__(self, dest, src, \
size = None, destSize = None, srcSize = None, ext = None):
super(Msqrt, self).__init__(dest, src,\
@@ -699,6 +721,7 @@ let {{
size = None, destSize = None, srcSize = None, ext = None):
super(Mrcp, self).__init__(dest, src,\
"InstRegIndex(0)", size, destSize, srcSize, ext)
+ op_class = 'SimdFloatAluOp'
code = '''
union floatInt
{
@@ -729,6 +752,7 @@ let {{
'''
class Maddf(MediaOp):
+ op_class = 'SimdFloatAddOp'
code = '''
union floatInt
{
@@ -775,6 +799,7 @@ let {{
'''
class Msubf(MediaOp):
+ op_class = 'SimdFloatAddOp'
code = '''
union floatInt
{
@@ -821,6 +846,7 @@ let {{
'''
class Mmulf(MediaOp):
+ op_class = 'SimdFloatMultOp'
code = '''
union floatInt
{
@@ -867,6 +893,7 @@ let {{
'''
class Mdivf(MediaOp):
+ op_class = 'SimdFloatDivOp'
code = '''
union floatInt
{
@@ -913,6 +940,7 @@ let {{
'''
class Maddi(MediaOp):
+ op_class = 'SimdAddOp'
code = '''
assert(srcSize == destSize);
int size = srcSize;
@@ -950,6 +978,7 @@ let {{
'''
class Msubi(MediaOp):
+ op_class = 'SimdAddOp'
code = '''
assert(srcSize == destSize);
int size = srcSize;
@@ -991,6 +1020,7 @@ let {{
'''
class Mmuli(MediaOp):
+ op_class = 'SimdMultOp'
code = '''
int srcBits = srcSize * 8;
int destBits = destSize * 8;
@@ -1037,6 +1067,7 @@ let {{
'''
class Mavg(MediaOp):
+ op_class = 'SimdAddOp'
code = '''
assert(srcSize == destSize);
int size = srcSize;
@@ -1057,6 +1088,7 @@ let {{
'''
class Msad(MediaOp):
+ op_class = 'SimdAddOp'
code = '''
int srcBits = srcSize * 8;
int items = sizeof(FloatRegBits) / srcSize;
@@ -1076,6 +1108,7 @@ let {{
'''
class Msrl(MediaOp):
+ op_class = 'SimdShiftOp'
code = '''
assert(srcSize == destSize);
@@ -1103,6 +1136,7 @@ let {{
'''
class Msra(MediaOp):
+ op_class = 'SimdShiftOp'
code = '''
assert(srcSize == destSize);
@@ -1134,6 +1168,7 @@ let {{
'''
class Msll(MediaOp):
+ op_class = 'SimdShiftOp'
code = '''
assert(srcSize == destSize);
@@ -1164,6 +1199,7 @@ let {{
size = None, destSize = None, srcSize = None, ext = None):
super(Cvtf2i, self).__init__(dest, src,\
"InstRegIndex(0)", size, destSize, srcSize, ext)
+ op_class = 'SimdFloatCvtOp'
code = '''
union floatInt
{
@@ -1238,6 +1274,7 @@ let {{
size = None, destSize = None, srcSize = None, ext = None):
super(Cvti2f, self).__init__(dest, src,\
"InstRegIndex(0)", size, destSize, srcSize, ext)
+ op_class = 'SimdFloatCvtOp'
code = '''
union floatInt
{
@@ -1300,6 +1337,7 @@ let {{
size = None, destSize = None, srcSize = None, ext = None):
super(Cvtf2f, self).__init__(dest, src,\
"InstRegIndex(0)", size, destSize, srcSize, ext)
+ op_class = 'SimdFloatCvtOp'
code = '''
union floatInt
{
@@ -1364,6 +1402,7 @@ let {{
'''
class Mcmpi2r(MediaOp):
+ op_class = 'SimdCvtOp'
code = '''
union floatInt
{
@@ -1403,6 +1442,7 @@ let {{
'''
class Mcmpf2r(MediaOp):
+ op_class = 'SimdFloatCvtOp'
code = '''
union floatInt
{
@@ -1489,6 +1529,7 @@ let {{
size = None, destSize = None, srcSize = None, ext = None):
super(Mcmpf2rf, self).__init__("InstRegIndex(0)", src1,\
src2, size, destSize, srcSize, ext)
+ op_class = 'SimdFloatCvtOp'
code = '''
union floatInt
{
@@ -1543,6 +1584,7 @@ let {{
'''
class Emms(MediaOp):
+ op_class = 'FloatMiscOp'
def __init__(self):
super(Emms, self).__init__('InstRegIndex(MISCREG_FTW)',
'InstRegIndex(0)', 'InstRegIndex(0)', 2)