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-rw-r--r--src/arch/x86/isa/microops/regop.isa64
1 files changed, 41 insertions, 23 deletions
diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa
index cb1d577d7..a96a552a3 100644
--- a/src/arch/x86/isa/microops/regop.isa
+++ b/src/arch/x86/isa/microops/regop.isa
@@ -438,9 +438,10 @@ let {{
flag_code = '''
//Don't have genFlags handle the OF or CF bits
uint64_t mask = CFBit | ECFBit | OFBit;
- uint64_t newFlags = genFlags(ccFlagBits | ezfBit, ext & ~mask,
- result, psrc1, op2);
+ uint64_t newFlags = genFlags(ccFlagBits | dfBit | ezfBit,
+ ext & ~mask, result, psrc1, op2);
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
//If a logic microop wants to set these, it wants to set them to 0.
@@ -451,29 +452,32 @@ let {{
class FlagRegOp(RegOp):
abstract = True
flag_code = '''
- uint64_t newFlags = genFlags(ccFlagBits | cfofBits | ecfBit |
- ezfBit, ext, result, psrc1, op2);
+ uint64_t newFlags = genFlags(ccFlagBits | cfofBits | dfBit |
+ ecfBit | ezfBit, ext, result, psrc1, op2);
cfofBits = newFlags & cfofMask;
ecfBit = newFlags & ECFBit;
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
'''
class SubRegOp(RegOp):
abstract = True
flag_code = '''
- uint64_t newFlags = genFlags(ccFlagBits | cfofBits | ecfBit |
- ezfBit, ext, result, psrc1, ~op2, true);
+ uint64_t newFlags = genFlags(ccFlagBits | cfofBits | dfBit |
+ ecfBit | ezfBit, ext, result, psrc1,
+ ~op2, true);
cfofBits = newFlags & cfofMask;
ecfBit = newFlags & ECFBit;
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
'''
class CondRegOp(RegOp):
abstract = True
- cond_check = "checkCondition(ccFlagBits | cfofBits | ecfBit | ezfBit, \
- ext)"
+ cond_check = "checkCondition(ccFlagBits | cfofBits | dfBit | ecfBit | \
+ ezfBit, ext)"
cond_control_flag_init = "flags[IsCondControl] = flags[IsControl];"
class RdRegOp(RegOp):
@@ -732,9 +736,10 @@ let {{
cfofBits = cfofBits | OFBit;
//Use the regular mechanisms to calculate the other flags.
- uint64_t newFlags = genFlags(ccFlagBits | ezfBit,
+ uint64_t newFlags = genFlags(ccFlagBits | dfBit | ezfBit,
ext & ~(CFBit | ECFBit | OFBit), DestReg, psrc1, op2);
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
}
'''
@@ -774,9 +779,10 @@ let {{
cfofBits = cfofBits | OFBit;
//Use the regular mechanisms to calculate the other flags.
- uint64_t newFlags = genFlags(ccFlagBits | ezfBit,
+ uint64_t newFlags = genFlags(ccFlagBits | dfBit | ezfBit,
ext & ~(CFBit | ECFBit | OFBit), DestReg, psrc1, op2);
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
}
'''
@@ -815,9 +821,10 @@ let {{
}
//Use the regular mechanisms to calculate the other flags.
- uint64_t newFlags = genFlags(ccFlagBits | ezfBit,
+ uint64_t newFlags = genFlags(ccFlagBits | dfBit | ezfBit,
ext & ~(CFBit | ECFBit | OFBit), DestReg, psrc1, op2);
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
}
'''
@@ -856,9 +863,10 @@ let {{
cfofBits = cfofBits | OFBit;
//Use the regular mechanisms to calculate the other flags.
- uint64_t newFlags = genFlags(ccFlagBits | ezfBit,
+ uint64_t newFlags = genFlags(ccFlagBits | dfBit | ezfBit,
ext & ~(CFBit | ECFBit | OFBit), DestReg, psrc1, op2);
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
}
'''
@@ -901,9 +909,10 @@ let {{
}
//Use the regular mechanisms to calculate the other flags.
- uint64_t newFlags = genFlags(ccFlagBits | ezfBit,
+ uint64_t newFlags = genFlags(ccFlagBits | dfBit | ezfBit,
ext & ~(CFBit | ECFBit | OFBit), DestReg, psrc1, op2);
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
}
'''
@@ -943,9 +952,10 @@ let {{
cfofBits = cfofBits | OFBit;
//Use the regular mechanisms to calculate the other flags.
- uint64_t newFlags = genFlags(ccFlagBits | ezfBit,
+ uint64_t newFlags = genFlags(ccFlagBits | dfBit | ezfBit,
ext & ~(CFBit | ECFBit | OFBit), DestReg, psrc1, op2);
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
}
'''
@@ -990,9 +1000,10 @@ let {{
cfofBits = cfofBits | OFBit;
//Use the regular mechanisms to calculate the other flags.
- uint64_t newFlags = genFlags(ccFlagBits | ezfBit,
+ uint64_t newFlags = genFlags(ccFlagBits | dfBit | ezfBit,
ext & ~(CFBit | ECFBit | OFBit), DestReg, psrc1, op2);
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
}
'''
@@ -1047,9 +1058,10 @@ let {{
cfofBits = cfofBits | OFBit;
//Use the regular mechanisms to calculate the other flags.
- uint64_t newFlags = genFlags(ccFlagBits | ezfBit,
+ uint64_t newFlags = genFlags(ccFlagBits | dfBit | ezfBit,
ext & ~(CFBit | ECFBit | OFBit), DestReg, psrc1, op2);
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
}
'''
@@ -1110,9 +1122,10 @@ let {{
cfofBits = cfofBits | OFBit;
//Use the regular mechanisms to calculate the other flags.
- uint64_t newFlags = genFlags(ccFlagBits | ezfBit,
+ uint64_t newFlags = genFlags(ccFlagBits | dfBit | ezfBit,
ext & ~(CFBit | ECFBit | OFBit), DestReg, psrc1, op2);
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
}
'''
@@ -1130,6 +1143,7 @@ let {{
cfofBits = newFlags & cfofMask;
ecfBit = newFlags & ECFBit;
ezfBit = newFlags & EZFBit;
+ dfBit = newFlags & DFBit;
ccFlagBits = newFlags & ccFlagMask;
'''
@@ -1140,6 +1154,7 @@ let {{
// Get only the user flags
ccFlagBits = newFlags & ccFlagMask;
+ dfBit = newFlags & DFBit;
cfofBits = newFlags & cfofMask;
ecfBit = 0;
ezfBit = 0;
@@ -1152,22 +1167,25 @@ let {{
code = 'DestReg = NRIP - CSBase;'
class Ruflags(RdRegOp):
- code = 'DestReg = ccFlagBits | cfofBits | ecfBit | ezfBit;'
+ code = 'DestReg = ccFlagBits | cfofBits | dfBit | ecfBit | ezfBit;'
class Rflags(RdRegOp):
code = '''
- DestReg = ccFlagBits | cfofBits | ecfBit | ezfBit | nccFlagBits;
+ DestReg = ccFlagBits | cfofBits | dfBit |
+ ecfBit | ezfBit | nccFlagBits;
'''
class Ruflag(RegOp):
code = '''
- int flag = bits(ccFlagBits | cfofBits | ecfBit | ezfBit, imm8);
+ int flag = bits(ccFlagBits | cfofBits | dfBit |
+ ecfBit | ezfBit, imm8);
DestReg = merge(DestReg, flag, dataSize);
ezfBit = (flag == 0) ? EZFBit : 0;
'''
big_code = '''
- int flag = bits(ccFlagBits | cfofBits | ecfBit | ezfBit, imm8);
+ int flag = bits(ccFlagBits | cfofBits | dfBit |
+ ecfBit | ezfBit, imm8);
DestReg = flag & mask(dataSize * 8);
ezfBit = (flag == 0) ? EZFBit : 0;
'''
@@ -1180,7 +1198,7 @@ let {{
class Rflag(RegOp):
code = '''
MiscReg flagMask = 0x3F7FDD5;
- MiscReg flags = (nccFlagBits | ccFlagBits | cfofBits |
+ MiscReg flags = (nccFlagBits | ccFlagBits | cfofBits | dfBit |
ecfBit | ezfBit) & flagMask;
int flag = bits(flags, imm8);
@@ -1190,7 +1208,7 @@ let {{
big_code = '''
MiscReg flagMask = 0x3F7FDD5;
- MiscReg flags = (nccFlagBits | ccFlagBits | cfofBits |
+ MiscReg flags = (nccFlagBits | ccFlagBits | cfofBits | dfBit |
ecfBit | ezfBit) & flagMask;
int flag = bits(flags, imm8);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-19 23:10:56 +0000