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X86: Replace the stupd microop with a store/update sequence.

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This commit is contained in:
Gabe Black 2011-02-02 19:56:38 -08:00
parent a7d4fa45b4
commit eabbdbee63
3 changed files with 33 additions and 20 deletions
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12
src/arch/x86/isa/insts/general_purpose/control_transfer/call.py
View file

@ -44,7 +44,8 @@ def macroop CALL_NEAR_I
limm t1, imm
rdip t7
# Check target of call
stupd t7, ss, [0, t0, rsp], "-env.dataSize"
st t7, ss, [0, t0, rsp], "-env.dataSize"
subi rsp, rsp, ssz
wrip t7, t1
};
@ -55,7 +56,8 @@ def macroop CALL_NEAR_R
rdip t1
# Check target of call
stupd t1, ss, [0, t0, rsp], "-env.dataSize"
st t1, ss, [0, t0, rsp], "-env.dataSize"
subi rsp, rsp, ssz
wripi reg, 0
};
@ -67,7 +69,8 @@ def macroop CALL_NEAR_M
rdip t7
ld t1, seg, sib, disp
# Check target of call
stupd t7, ss, [0, t0, rsp], "-env.dataSize"
st t7, ss, [0, t0, rsp], "-env.dataSize"
subi rsp, rsp, ssz
wripi t1, 0
};
@ -79,7 +82,8 @@ def macroop CALL_NEAR_P
rdip t7
ld t1, seg, riprel, disp
# Check target of call
stupd t7, ss, [0, t0, rsp], "-env.dataSize"
st t7, ss, [0, t0, rsp], "-env.dataSize"
subi rsp, rsp, ssz
wripi t1, 0
};
'''

38
src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py
View file

@ -70,7 +70,8 @@ def macroop PUSH_R {
# Make the default data size of pops 64 bits in 64 bit mode
.adjust_env oszIn64Override
stupd reg, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
st reg, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
subi rsp, rsp, ssz
};
def macroop PUSH_I {
@ -78,7 +79,8 @@ def macroop PUSH_I {
.adjust_env oszIn64Override
limm t1, imm
stupd t1, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
st t1, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
subi rsp, rsp, ssz
};
def macroop PUSH_M {
@ -86,7 +88,8 @@ def macroop PUSH_M {
.adjust_env oszIn64Override
ld t1, seg, sib, disp, dataSize=ssz
stupd t1, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
st t1, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
subi rsp, rsp, ssz
};
def macroop PUSH_P {
@ -95,7 +98,8 @@ def macroop PUSH_P {
rdip t7
ld t1, seg, riprel, disp, dataSize=ssz
stupd t1, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
st t1, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
subi rsp, rsp, ssz
};
def macroop PUSHA {
@ -103,14 +107,15 @@ def macroop PUSHA {
# end are ok, then the stuff in the middle should be as well.
cda ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
cda ss, [1, t0, rsp], "-8 * env.stackSize", dataSize=ssz
stupd rax, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
stupd rcx, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
stupd rdx, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
stupd rbx, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
stupd rsp, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
stupd rbp, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
stupd rsi, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
stupd rdi, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
st rax, ss, [1, t0, rsp], "1 * -env.stackSize", dataSize=ssz
st rcx, ss, [1, t0, rsp], "2 * -env.stackSize", dataSize=ssz
st rdx, ss, [1, t0, rsp], "3 * -env.stackSize", dataSize=ssz
st rbx, ss, [1, t0, rsp], "4 * -env.stackSize", dataSize=ssz
st rsp, ss, [1, t0, rsp], "5 * -env.stackSize", dataSize=ssz
st rbp, ss, [1, t0, rsp], "6 * -env.stackSize", dataSize=ssz
st rsi, ss, [1, t0, rsp], "7 * -env.stackSize", dataSize=ssz
st rdi, ss, [1, t0, rsp], "8 * -env.stackSize", dataSize=ssz
subi rsp, rsp, "8 * env.stackSize"
};
def macroop POPA {
@ -151,7 +156,8 @@ def macroop ENTER_I_I {
# t1 is now the masked nesting level, and t2 is the amount of storage.
# Push rbp.
stupd rbp, ss, [1, t0, rsp], "-env.dataSize"
st rbp, ss, [1, t0, rsp], "-env.dataSize"
subi rsp, rsp, ssz
# Save the stack pointer for later
mov t6, t6, rsp
@ -167,7 +173,8 @@ def macroop ENTER_I_I {
limm t4, "ULL(-1)", dataSize=8
topOfLoop:
ld t5, ss, [dsz, t4, rbp]
stupd t5, ss, [1, t0, rsp], "-env.dataSize"
st t5, ss, [1, t0, rsp], "-env.dataSize"
subi rsp, rsp, ssz
# If we're not done yet, loop
subi t4, t4, 1, dataSize=8
@ -176,7 +183,8 @@ topOfLoop:
bottomOfLoop:
# Push the old rbp onto the stack
stupd t6, ss, [1, t0, rsp], "-env.dataSize"
st t6, ss, [1, t0, rsp], "-env.dataSize"
subi rsp, rsp, ssz
skipLoop:
sub rsp, rsp, t2, dataSize=ssz

3
src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py
View file

@ -40,7 +40,8 @@ def macroop PUSHF {
.adjust_env oszIn64Override
rflags t1
stupd t1, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
st t1, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
subi rsp, rsp, ssz
};
def macroop POPF {