Rename %eflags to %rflags.

EFLAGS is a subregister of RFLAGS. For consistency with GPRs where we
use the 64-bit names to refer to the registers, use the 64-bit name for
RFLAGS as well.
This commit is contained in:
Dan Gohman
2018-03-26 21:34:15 -07:00
parent 14faef7374
commit ffe89cdc0a
8 changed files with 68 additions and 68 deletions

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@@ -15,56 +15,56 @@ ebb0:
[-,%r11] v10 = iconst.i64 0x1234
; asm: bsfq %r11, %rcx
[-,%rcx,%eflags] v11, v12 = x86_bsf v10 ; bin: 49 0f bc cb
[-,%rcx,%rflags] v11, v12 = x86_bsf v10 ; bin: 49 0f bc cb
[-,%rdx] v14 = iconst.i64 0x5678
; asm: bsfq %rdx, %r12
[-,%r12,%eflags] v15, v16 = x86_bsf v14 ; bin: 4c 0f bc e2
[-,%r12,%rflags] v15, v16 = x86_bsf v14 ; bin: 4c 0f bc e2
; asm: bsfq %rdx, %rdi
[-,%rdi,%eflags] v17, v18 = x86_bsf v14 ; bin: 48 0f bc fa
[-,%rdi,%rflags] v17, v18 = x86_bsf v14 ; bin: 48 0f bc fa
; 32-bit wide bsf
[-,%r11] v20 = iconst.i32 0x1234
; asm: bsfl %r11d, %ecx
[-,%rcx,%eflags] v21, v22 = x86_bsf v20 ; bin: 41 0f bc cb
[-,%rcx,%rflags] v21, v22 = x86_bsf v20 ; bin: 41 0f bc cb
[-,%rdx] v24 = iconst.i32 0x5678
; asm: bsfl %edx, %r12d
[-,%r12,%eflags] v25, v26 = x86_bsf v24 ; bin: 44 0f bc e2
[-,%r12,%rflags] v25, v26 = x86_bsf v24 ; bin: 44 0f bc e2
; asm: bsfl %edx, %esi
[-,%rsi,%eflags] v27, v28 = x86_bsf v24 ; bin: 0f bc f2
[-,%rsi,%rflags] v27, v28 = x86_bsf v24 ; bin: 0f bc f2
; 64-bit wide bsr
[-,%r11] v30 = iconst.i64 0x1234
; asm: bsrq %r11, %rcx
[-,%rcx,%eflags] v31, v32 = x86_bsr v30 ; bin: 49 0f bd cb
[-,%rcx,%rflags] v31, v32 = x86_bsr v30 ; bin: 49 0f bd cb
[-,%rdx] v34 = iconst.i64 0x5678
; asm: bsrq %rdx, %r12
[-,%r12,%eflags] v35, v36 = x86_bsr v34 ; bin: 4c 0f bd e2
[-,%r12,%rflags] v35, v36 = x86_bsr v34 ; bin: 4c 0f bd e2
; asm: bsrq %rdx, %rdi
[-,%rdi,%eflags] v37, v38 = x86_bsr v34 ; bin: 48 0f bd fa
[-,%rdi,%rflags] v37, v38 = x86_bsr v34 ; bin: 48 0f bd fa
; 32-bit wide bsr
[-,%r11] v40 = iconst.i32 0x1234
; asm: bsrl %r11d, %ecx
[-,%rcx,%eflags] v41, v42 = x86_bsr v40 ; bin: 41 0f bd cb
[-,%rcx,%rflags] v41, v42 = x86_bsr v40 ; bin: 41 0f bd cb
[-,%rdx] v44 = iconst.i32 0x5678
; asm: bsrl %edx, %r12d
[-,%r12,%eflags] v45, v46 = x86_bsr v44 ; bin: 44 0f bd e2
[-,%r12,%rflags] v45, v46 = x86_bsr v44 ; bin: 44 0f bd e2
; asm: bsrl %edx, %esi
[-,%rsi,%eflags] v47, v48 = x86_bsr v44 ; bin: 0f bd f2
[-,%rsi,%rflags] v47, v48 = x86_bsr v44 ; bin: 0f bd f2
; 64-bit wide cmov

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@@ -221,11 +221,11 @@ ebb0:
[-,%rdx] v307 = fcmp ule v11, v10 ; bin: 0f 2e d5 0f 96 c2
; asm: ucomiss %xmm2, %xmm5
[-,%eflags] v310 = ffcmp v10, v11 ; bin: 0f 2e ea
[-,%rflags] v310 = ffcmp v10, v11 ; bin: 0f 2e ea
; asm: ucomiss %xmm2, %xmm5
[-,%eflags] v311 = ffcmp v11, v10 ; bin: 0f 2e d5
[-,%rflags] v311 = ffcmp v11, v10 ; bin: 0f 2e d5
; asm: ucomiss %xmm5, %xmm5
[-,%eflags] v312 = ffcmp v10, v10 ; bin: 0f 2e ed
[-,%rflags] v312 = ffcmp v10, v10 ; bin: 0f 2e ed
return
}
@@ -436,11 +436,11 @@ ebb0:
[-,%rdx] v307 = fcmp ule v11, v10 ; bin: 66 0f 2e d5 0f 96 c2
; asm: ucomisd %xmm2, %xmm5
[-,%eflags] v310 = ffcmp v10, v11 ; bin: 66 0f 2e ea
[-,%rflags] v310 = ffcmp v10, v11 ; bin: 66 0f 2e ea
; asm: ucomisd %xmm2, %xmm5
[-,%eflags] v311 = ffcmp v11, v10 ; bin: 66 0f 2e d5
[-,%rflags] v311 = ffcmp v11, v10 ; bin: 66 0f 2e d5
; asm: ucomisd %xmm5, %xmm5
[-,%eflags] v312 = ffcmp v10, v10 ; bin: 66 0f 2e ed
[-,%rflags] v312 = ffcmp v10, v10 ; bin: 66 0f 2e ed
return
}
@@ -448,7 +448,7 @@ ebb0:
function %cpuflags_float(f32 [%xmm0]) {
ebb0(v0: f32 [%xmm0]):
; asm: ucomiss %xmm0, %xmm0
[-,%eflags] v1 = ffcmp v0, v0 ; bin: 0f 2e c0
[-,%rflags] v1 = ffcmp v0, v0 ; bin: 0f 2e c0
jump ebb1

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@@ -473,9 +473,9 @@ ebb0:
ebb1:
; asm: cmpl %esi, %ecx
[-,%eflags] v10 = ifcmp v1, v2 ; bin: 39 f1
[-,%rflags] v10 = ifcmp v1, v2 ; bin: 39 f1
; asm: cmpl %ecx, %esi
[-,%eflags] v11 = ifcmp v2, v1 ; bin: 39 ce
[-,%rflags] v11 = ifcmp v2, v1 ; bin: 39 ce
; asm: je ebb1
brif eq v11, ebb1 ; bin: 74 fa
@@ -543,19 +543,19 @@ ebb1:
; Stack check.
; asm: cmpl %esp, %ecx
[-,%eflags] v40 = ifcmp_sp v1 ; bin: 39 e1
[-,%rflags] v40 = ifcmp_sp v1 ; bin: 39 e1
; asm: cmpl %esp, %esi
[-,%eflags] v41 = ifcmp_sp v2 ; bin: 39 e6
[-,%rflags] v41 = ifcmp_sp v2 ; bin: 39 e6
; asm: cmpl $-100, %ecx
[-,%eflags] v42 = ifcmp_imm v1, -100 ; bin: 83 f9 9c
[-,%rflags] v42 = ifcmp_imm v1, -100 ; bin: 83 f9 9c
; asm: cmpl $100, %esi
[-,%eflags] v43 = ifcmp_imm v2, 100 ; bin: 83 fe 64
[-,%rflags] v43 = ifcmp_imm v2, 100 ; bin: 83 fe 64
; asm: cmpl $-10000, %ecx
[-,%eflags] v44 = ifcmp_imm v1, -10000 ; bin: 81 f9 ffffd8f0
[-,%rflags] v44 = ifcmp_imm v1, -10000 ; bin: 81 f9 ffffd8f0
; asm: cmpl $10000, %esi
[-,%eflags] v45 = ifcmp_imm v2, 10000 ; bin: 81 fe 00002710
[-,%rflags] v45 = ifcmp_imm v2, 10000 ; bin: 81 fe 00002710
return
}

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@@ -235,11 +235,11 @@ ebb0:
[-,%rdx] v307 = fcmp ule v11, v10 ; bin: 44 0f 2e d5 0f 96 c2
; asm: ucomiss %xmm10, %xmm5
[-,%eflags] v310 = ffcmp v10, v11 ; bin: 41 0f 2e ea
[-,%rflags] v310 = ffcmp v10, v11 ; bin: 41 0f 2e ea
; asm: ucomiss %xmm10, %xmm5
[-,%eflags] v311 = ffcmp v11, v10 ; bin: 44 0f 2e d5
[-,%rflags] v311 = ffcmp v11, v10 ; bin: 44 0f 2e d5
; asm: ucomiss %xmm5, %xmm5
[-,%eflags] v312 = ffcmp v10, v10 ; bin: 0f 2e ed
[-,%rflags] v312 = ffcmp v10, v10 ; bin: 0f 2e ed
return
}
@@ -470,11 +470,11 @@ ebb0:
[-,%rdx] v307 = fcmp ule v11, v10 ; bin: 66 44 0f 2e d5 0f 96 c2
; asm: ucomisd %xmm10, %xmm5
[-,%eflags] v310 = ffcmp v10, v11 ; bin: 66 41 0f 2e ea
[-,%rflags] v310 = ffcmp v10, v11 ; bin: 66 41 0f 2e ea
; asm: ucomisd %xmm10, %xmm5
[-,%eflags] v311 = ffcmp v11, v10 ; bin: 66 44 0f 2e d5
[-,%rflags] v311 = ffcmp v11, v10 ; bin: 66 44 0f 2e d5
; asm: ucomisd %xmm5, %xmm5
[-,%eflags] v312 = ffcmp v10, v10 ; bin: 66 0f 2e ed
[-,%rflags] v312 = ffcmp v10, v10 ; bin: 66 0f 2e ed
return
}
@@ -482,7 +482,7 @@ ebb0:
function %cpuflags_float(f32 [%xmm0]) {
ebb0(v0: f32 [%xmm0]):
; asm: ucomiss %xmm0, %xmm0
[-,%eflags] v1 = ffcmp v0, v0 ; bin: 0f 2e c0
[-,%rflags] v1 = ffcmp v0, v0 ; bin: 0f 2e c0
jump ebb1

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@@ -584,9 +584,9 @@ ebb0:
ebb1:
; asm: cmpq %r10, %rcx
[-,%eflags] v10 = ifcmp v1, v2 ; bin: 4c 39 d1
[-,%rflags] v10 = ifcmp v1, v2 ; bin: 4c 39 d1
; asm: cmpq %rcx, %r10
[-,%eflags] v11 = ifcmp v2, v1 ; bin: 49 39 ca
[-,%rflags] v11 = ifcmp v2, v1 ; bin: 49 39 ca
; asm: je ebb1
brif eq v11, ebb1 ; bin: 74 f8
@@ -654,19 +654,19 @@ ebb1:
; Stack check.
; asm: cmpq %rsp, %rcx
[-,%eflags] v40 = ifcmp_sp v1 ; bin: 48 39 e1
[-,%rflags] v40 = ifcmp_sp v1 ; bin: 48 39 e1
; asm: cmpq %rsp, %r10
[-,%eflags] v41 = ifcmp_sp v2 ; bin: 49 39 e2
[-,%rflags] v41 = ifcmp_sp v2 ; bin: 49 39 e2
; asm: cmpq $-100, %rcx
[-,%eflags] v522 = ifcmp_imm v1, -100 ; bin: 48 83 f9 9c
[-,%rflags] v522 = ifcmp_imm v1, -100 ; bin: 48 83 f9 9c
; asm: cmpq $100, %r10
[-,%eflags] v523 = ifcmp_imm v2, 100 ; bin: 49 83 fa 64
[-,%rflags] v523 = ifcmp_imm v2, 100 ; bin: 49 83 fa 64
; asm: cmpq $-10000, %rcx
[-,%eflags] v524 = ifcmp_imm v1, -10000 ; bin: 48 81 f9 ffffd8f0
[-,%rflags] v524 = ifcmp_imm v1, -10000 ; bin: 48 81 f9 ffffd8f0
; asm: cmpq $10000, %r10
[-,%eflags] v525 = ifcmp_imm v2, 10000 ; bin: 49 81 fa 00002710
[-,%rflags] v525 = ifcmp_imm v2, 10000 ; bin: 49 81 fa 00002710
return
@@ -1055,19 +1055,19 @@ ebb0:
regfill v1, ss1 -> %rcx ; bin: 8b 8c 24 00000408
; asm: cmpl %esi, %ecx
[-,%eflags] v520 = ifcmp v1, v2 ; bin: 39 f1
[-,%rflags] v520 = ifcmp v1, v2 ; bin: 39 f1
; asm: cmpl %r10d, %esi
[-,%eflags] v521 = ifcmp v2, v3 ; bin: 44 39 d6
[-,%rflags] v521 = ifcmp v2, v3 ; bin: 44 39 d6
; asm: cmpl $-100, %ecx
[-,%eflags] v522 = ifcmp_imm v1, -100 ; bin: 83 f9 9c
[-,%rflags] v522 = ifcmp_imm v1, -100 ; bin: 83 f9 9c
; asm: cmpl $100, %r10d
[-,%eflags] v523 = ifcmp_imm v3, 100 ; bin: 41 83 fa 64
[-,%rflags] v523 = ifcmp_imm v3, 100 ; bin: 41 83 fa 64
; asm: cmpl $-10000, %ecx
[-,%eflags] v524 = ifcmp_imm v1, -10000 ; bin: 81 f9 ffffd8f0
[-,%rflags] v524 = ifcmp_imm v1, -10000 ; bin: 81 f9 ffffd8f0
; asm: cmpl $10000, %r10d
[-,%eflags] v525 = ifcmp_imm v3, 10000 ; bin: 41 81 fa 00002710
[-,%rflags] v525 = ifcmp_imm v3, 10000 ; bin: 41 81 fa 00002710
; asm: shll $2, %esi
[-,%rsi] v526 = ishl_imm v2, 2 ; bin: c1 e6 02

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@@ -281,7 +281,7 @@ trap = TailRecipe(
# Macro: conditional jump over a ud2.
trapif = EncRecipe(
'trapif', IntCondTrap, size=4, ins=FLAG.eflags, outs=(),
'trapif', IntCondTrap, size=4, ins=FLAG.rflags, outs=(),
clobbers_flags=False,
emit='''
// Jump over a 2-byte ud2.
@@ -293,7 +293,7 @@ trapif = EncRecipe(
''')
trapff = EncRecipe(
'trapff', FloatCondTrap, size=4, ins=FLAG.eflags, outs=(),
'trapff', FloatCondTrap, size=4, ins=FLAG.rflags, outs=(),
clobbers_flags=False,
instp=floatccs(FloatCondTrap),
emit='''
@@ -985,7 +985,7 @@ jmpd = TailRecipe(
''')
brib = TailRecipe(
'brib', BranchInt, size=1, ins=FLAG.eflags, outs=(),
'brib', BranchInt, size=1, ins=FLAG.rflags, outs=(),
branch_range=8,
clobbers_flags=False,
emit='''
@@ -994,7 +994,7 @@ brib = TailRecipe(
''')
brid = TailRecipe(
'brid', BranchInt, size=4, ins=FLAG.eflags, outs=(),
'brid', BranchInt, size=4, ins=FLAG.rflags, outs=(),
branch_range=32,
clobbers_flags=False,
emit='''
@@ -1003,7 +1003,7 @@ brid = TailRecipe(
''')
brfb = TailRecipe(
'brfb', BranchFloat, size=1, ins=FLAG.eflags, outs=(),
'brfb', BranchFloat, size=1, ins=FLAG.rflags, outs=(),
branch_range=8,
clobbers_flags=False,
instp=floatccs(BranchFloat),
@@ -1013,7 +1013,7 @@ brfb = TailRecipe(
''')
brfd = TailRecipe(
'brfd', BranchFloat, size=4, ins=FLAG.eflags, outs=(),
'brfd', BranchFloat, size=4, ins=FLAG.rflags, outs=(),
branch_range=32,
clobbers_flags=False,
instp=floatccs(BranchFloat),
@@ -1033,7 +1033,7 @@ brfd = TailRecipe(
#
seti = TailRecipe(
'seti', IntCond, size=1, ins=FLAG.eflags, outs=GPR,
'seti', IntCond, size=1, ins=FLAG.rflags, outs=GPR,
requires_prefix=True,
clobbers_flags=False,
emit='''
@@ -1041,7 +1041,7 @@ seti = TailRecipe(
modrm_r_bits(out_reg0, bits, sink);
''')
seti_abcd = TailRecipe(
'seti_abcd', IntCond, size=1, ins=FLAG.eflags, outs=ABCD,
'seti_abcd', IntCond, size=1, ins=FLAG.rflags, outs=ABCD,
when_prefixed=seti,
clobbers_flags=False,
emit='''
@@ -1050,7 +1050,7 @@ seti_abcd = TailRecipe(
''')
setf = TailRecipe(
'setf', FloatCond, size=1, ins=FLAG.eflags, outs=GPR,
'setf', FloatCond, size=1, ins=FLAG.rflags, outs=GPR,
requires_prefix=True,
clobbers_flags=False,
emit='''
@@ -1058,7 +1058,7 @@ setf = TailRecipe(
modrm_r_bits(out_reg0, bits, sink);
''')
setf_abcd = TailRecipe(
'setf_abcd', FloatCond, size=1, ins=FLAG.eflags, outs=ABCD,
'setf_abcd', FloatCond, size=1, ins=FLAG.rflags, outs=ABCD,
when_prefixed=setf,
clobbers_flags=False,
emit='''
@@ -1072,7 +1072,7 @@ setf_abcd = TailRecipe(
# 1 byte, modrm(r,r), is after the opcode
#
cmov = TailRecipe(
'cmov', IntSelect, size=1, ins=(FLAG.eflags, GPR, GPR), outs=2,
'cmov', IntSelect, size=1, ins=(FLAG.rflags, GPR, GPR), outs=2,
requires_prefix=False,
clobbers_flags=False,
emit='''
@@ -1084,7 +1084,7 @@ cmov = TailRecipe(
# Bit scan forwards and reverse
#
bsf_and_bsr = TailRecipe(
'bsf_and_bsr', Unary, size=1, ins=GPR, outs=(GPR, FLAG.eflags),
'bsf_and_bsr', Unary, size=1, ins=GPR, outs=(GPR, FLAG.rflags),
requires_prefix=False,
clobbers_flags=True,
emit='''
@@ -1098,7 +1098,7 @@ bsf_and_bsr = TailRecipe(
# XX /r, MR form. Compare two GPR registers and set flags.
rcmp = TailRecipe(
'rcmp', Binary, size=1, ins=(GPR, GPR), outs=FLAG.eflags,
'rcmp', Binary, size=1, ins=(GPR, GPR), outs=FLAG.rflags,
emit='''
PUT_OP(bits, rex2(in_reg0, in_reg1), sink);
modrm_rr(in_reg0, in_reg1, sink);
@@ -1106,7 +1106,7 @@ rcmp = TailRecipe(
# XX /r, RM form. Compare two FPR registers and set flags.
fcmp = TailRecipe(
'fcmp', Binary, size=1, ins=(FPR, FPR), outs=FLAG.eflags,
'fcmp', Binary, size=1, ins=(FPR, FPR), outs=FLAG.rflags,
emit='''
PUT_OP(bits, rex2(in_reg1, in_reg0), sink);
modrm_rr(in_reg1, in_reg0, sink);
@@ -1114,7 +1114,7 @@ fcmp = TailRecipe(
# XX /n, MI form with imm8.
rcmpib = TailRecipe(
'rcmpib', BinaryImm, size=2, ins=GPR, outs=FLAG.eflags,
'rcmpib', BinaryImm, size=2, ins=GPR, outs=FLAG.rflags,
instp=IsSignedInt(BinaryImm.imm, 8),
emit='''
PUT_OP(bits, rex1(in_reg0), sink);
@@ -1125,7 +1125,7 @@ rcmpib = TailRecipe(
# XX /n, MI form with imm32.
rcmpid = TailRecipe(
'rcmpid', BinaryImm, size=5, ins=GPR, outs=FLAG.eflags,
'rcmpid', BinaryImm, size=5, ins=GPR, outs=FLAG.rflags,
instp=IsSignedInt(BinaryImm.imm, 32),
emit='''
PUT_OP(bits, rex1(in_reg0), sink);
@@ -1136,7 +1136,7 @@ rcmpid = TailRecipe(
# Same as rcmp, but second operand is the stack pointer.
rcmp_sp = TailRecipe(
'rcmp_sp', Unary, size=1, ins=GPR, outs=FLAG.eflags,
'rcmp_sp', Unary, size=1, ins=GPR, outs=FLAG.rflags,
emit='''
PUT_OP(bits, rex2(in_reg0, RU::rsp.into()), sink);
modrm_rr(in_reg0, RU::rsp.into(), sink);
@@ -1302,7 +1302,7 @@ icscc = TailRecipe(
# Same thing for floating point.
#
# The ucomiss/ucomisd instructions set the EFLAGS bits CF/PF/CF like this:
# The ucomiss/ucomisd instructions set the FLAGS bits CF/PF/CF like this:
#
# ZPC OSA
# UN 111 000

View File

@@ -43,7 +43,7 @@ FlagRegs = RegBank(
'Flag registers',
units=1,
pressure_tracking=False,
names=['eflags'])
names=['rflags'])
GPR = RegClass(IntRegs)
# Certain types of deref encodings cannot be used with all registers.

View File

@@ -257,7 +257,7 @@ fn icc2opc(cond: IntCC) -> u16 {
/// Get the low 4 bits of an opcode for a floating point condition code.
///
/// The ucomiss/ucomisd instructions set the EFLAGS bits CF/PF/CF like this:
/// The ucomiss/ucomisd instructions set the FLAGS bits CF/PF/CF like this:
///
/// ZPC OSA
/// UN 111 000