T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Remove RSP from deref safe register class as well.

Browse Source
This commit is contained in:
Tyler McMullen
2018-01-29 14:12:01 -08:00
committed by Jakob Stoklund Olesen
parent 099b959d57
commit ff16583c59
2 changed files with 6 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/cretonne/meta/isa/intel/recipes.py
View File

@@ -12,8 +12,8 @@ from base.formats import Jump, Branch, BranchInt, BranchFloat
from base.formats import Ternary, FuncAddr, UnaryGlobalVar
from base.formats import RegMove, RegSpill, RegFill, CopySpecial
from .registers import GPR, ABCD, FPR, GPR_DEREF_SAFE, GPR_ZERO_DEREF_SAFE
from .registers import GPR8, FPR8, GPR8_ZERO_DEREF_SAFE, FLAG, StackGPR32
from .registers import StackFPR32
from .registers import GPR8, FPR8, GPR8_DEREF_SAFE, GPR8_ZERO_DEREF_SAFE, FLAG
from .registers import StackGPR32, StackFPR32
from .defs import supported_floatccs
from .settings import use_sse41
@@ -105,7 +105,7 @@ def replace_put_op(emit, prefix):
# Register class mapping for no-REX instructions.
NOREX_MAP = {
GPR: GPR8,
GPR_DEREF_SAFE: GPR8,
GPR_DEREF_SAFE: GPR8_DEREF_SAFE,
GPR_ZERO_DEREF_SAFE: GPR8_ZERO_DEREF_SAFE,
FPR: FPR8
}

5
lib/cretonne/meta/isa/intel/registers.py
View File

@@ -49,10 +49,11 @@ GPR = RegClass(IntRegs)
# Certain types of deref encodings cannot be used with all registers.
# R13/RBP cannot be used with zero-offset load or store instructions.
# R12 cannot be used with a non-SIB-byte encoding of all derefs.
GPR_DEREF_SAFE = GPR.without(GPR.r12)
GPR_DEREF_SAFE = GPR.without(GPR.rsp, GPR.r12)
GPR_ZERO_DEREF_SAFE = GPR_DEREF_SAFE.without(GPR.rbp, GPR.r13)
GPR8 = GPR[0:8]
GPR8_ZERO_DEREF_SAFE = GPR8.without(GPR.rbp)
GPR8_DEREF_SAFE = GPR8.without(GPR.rsp)
GPR8_ZERO_DEREF_SAFE = GPR8_DEREF_SAFE.without(GPR.rbp)
ABCD = GPR[0:4]
FPR = RegClass(FloatRegs)
FPR8 = FPR[0:8]