mirror of
https://github.com/golang/go
synced 2024-09-30 12:18:33 -06:00
cmd/compile: rewrite some AMD64 rules to use typed aux fields
Surprisingly many rules needed no modification. Use wrapper functions for aux like we did for auxint. Simplifies things a bit. Change-Id: I2e852e77f1585dcb306a976ab9335f1ac5b4a770 Reviewed-on: https://go-review.googlesource.com/c/go/+/227961 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Michael Munday <mike.munday@ibm.com>
This commit is contained in:
Keith Randall
parent
7580937524
commit
2f84caebe3
@ -3,113 +3,114 @@
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// license that can be found in the LICENSE file.
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// Lowering arithmetic
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(Add(64|32|16|8) ...) -> (ADD(Q|L|L|L) ...)
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(AddPtr ...) -> (ADDQ ...)
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(Add(32|64)F ...) -> (ADDS(S|D) ...)
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(Add(64|32|16|8) ...) => (ADD(Q|L|L|L) ...)
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(AddPtr ...) => (ADDQ ...)
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(Add(32|64)F ...) => (ADDS(S|D) ...)
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(Sub(64|32|16|8) ...) -> (SUB(Q|L|L|L) ...)
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(SubPtr ...) -> (SUBQ ...)
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(Sub(32|64)F ...) -> (SUBS(S|D) ...)
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(Sub(64|32|16|8) ...) => (SUB(Q|L|L|L) ...)
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(SubPtr ...) => (SUBQ ...)
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(Sub(32|64)F ...) => (SUBS(S|D) ...)
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(Mul(64|32|16|8) ...) -> (MUL(Q|L|L|L) ...)
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(Mul(32|64)F ...) -> (MULS(S|D) ...)
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(Mul(64|32|16|8) ...) => (MUL(Q|L|L|L) ...)
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(Mul(32|64)F ...) => (MULS(S|D) ...)
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(Select0 (Mul64uover x y)) -> (Select0 <typ.UInt64> (MULQU x y))
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(Select0 (Mul32uover x y)) -> (Select0 <typ.UInt32> (MULLU x y))
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(Select1 (Mul(64|32)uover x y)) -> (SETO (Select1 <types.TypeFlags> (MUL(Q|L)U x y)))
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(Select0 (Mul64uover x y)) => (Select0 <typ.UInt64> (MULQU x y))
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(Select0 (Mul32uover x y)) => (Select0 <typ.UInt32> (MULLU x y))
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(Select1 (Mul(64|32)uover x y)) => (SETO (Select1 <types.TypeFlags> (MUL(Q|L)U x y)))
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(Hmul(64|32) ...) -> (HMUL(Q|L) ...)
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(Hmul(64|32)u ...) -> (HMUL(Q|L)U ...)
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(Hmul(64|32) ...) => (HMUL(Q|L) ...)
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(Hmul(64|32)u ...) => (HMUL(Q|L)U ...)
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(Div(64|32|16) [a] x y) -> (Select0 (DIV(Q|L|W) [a] x y))
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(Div8 x y) -> (Select0 (DIVW (SignExt8to16 x) (SignExt8to16 y)))
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(Div(64|32|16)u x y) -> (Select0 (DIV(Q|L|W)U x y))
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(Div8u x y) -> (Select0 (DIVWU (ZeroExt8to16 x) (ZeroExt8to16 y)))
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(Div(32|64)F ...) -> (DIVS(S|D) ...)
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(Div(64|32|16) [a] x y) => (Select0 (DIV(Q|L|W) [a] x y))
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(Div8 x y) => (Select0 (DIVW (SignExt8to16 x) (SignExt8to16 y)))
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(Div(64|32|16)u x y) => (Select0 (DIV(Q|L|W)U x y))
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(Div8u x y) => (Select0 (DIVWU (ZeroExt8to16 x) (ZeroExt8to16 y)))
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(Div(32|64)F ...) => (DIVS(S|D) ...)
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(Select0 (Add64carry x y c)) ->
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(Select0 (Add64carry x y c)) =>
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(Select0 <typ.UInt64> (ADCQ x y (Select1 <types.TypeFlags> (NEGLflags c))))
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(Select1 (Add64carry x y c)) ->
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(Select1 (Add64carry x y c)) =>
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(NEGQ <typ.UInt64> (SBBQcarrymask <typ.UInt64> (Select1 <types.TypeFlags> (ADCQ x y (Select1 <types.TypeFlags> (NEGLflags c))))))
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(Select0 (Sub64borrow x y c)) ->
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(Select0 (Sub64borrow x y c)) =>
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(Select0 <typ.UInt64> (SBBQ x y (Select1 <types.TypeFlags> (NEGLflags c))))
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(Select1 (Sub64borrow x y c)) ->
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(Select1 (Sub64borrow x y c)) =>
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(NEGQ <typ.UInt64> (SBBQcarrymask <typ.UInt64> (Select1 <types.TypeFlags> (SBBQ x y (Select1 <types.TypeFlags> (NEGLflags c))))))
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// Optimize ADCQ and friends
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(ADCQ x (MOVQconst [c]) carry) && is32Bit(c) -> (ADCQconst x [c] carry)
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(ADCQ x y (FlagEQ)) -> (ADDQcarry x y)
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(ADCQconst x [c] (FlagEQ)) -> (ADDQconstcarry x [c])
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(ADDQcarry x (MOVQconst [c])) && is32Bit(c) -> (ADDQconstcarry x [c])
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(SBBQ x (MOVQconst [c]) borrow) && is32Bit(c) -> (SBBQconst x [c] borrow)
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(SBBQ x y (FlagEQ)) -> (SUBQborrow x y)
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(SBBQconst x [c] (FlagEQ)) -> (SUBQconstborrow x [c])
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(SUBQborrow x (MOVQconst [c])) && is32Bit(c) -> (SUBQconstborrow x [c])
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(Select1 (NEGLflags (MOVQconst [0]))) -> (FlagEQ)
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(Select1 (NEGLflags (NEGQ (SBBQcarrymask x)))) -> x
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(ADCQ x (MOVQconst [c]) carry) && is32Bit(c) => (ADCQconst x [int32(c)] carry)
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(ADCQ x y (FlagEQ)) => (ADDQcarry x y)
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(ADCQconst x [c] (FlagEQ)) => (ADDQconstcarry x [c])
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(ADDQcarry x (MOVQconst [c])) && is32Bit(c) => (ADDQconstcarry x [int32(c)])
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(SBBQ x (MOVQconst [c]) borrow) && is32Bit(c) => (SBBQconst x [int32(c)] borrow)
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(SBBQ x y (FlagEQ)) => (SUBQborrow x y)
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(SBBQconst x [c] (FlagEQ)) => (SUBQconstborrow x [c])
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(SUBQborrow x (MOVQconst [c])) && is32Bit(c) => (SUBQconstborrow x [int32(c)])
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(Select1 (NEGLflags (MOVQconst [0]))) => (FlagEQ)
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(Select1 (NEGLflags (NEGQ (SBBQcarrymask x)))) => x
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(Mul64uhilo ...) -> (MULQU2 ...)
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(Div128u ...) -> (DIVQU2 ...)
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(Mul64uhilo ...) => (MULQU2 ...)
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(Div128u ...) => (DIVQU2 ...)
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(Avg64u ...) -> (AVGQU ...)
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(Avg64u ...) => (AVGQU ...)
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(Mod(64|32|16) [a] x y) -> (Select1 (DIV(Q|L|W) [a] x y))
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(Mod8 x y) -> (Select1 (DIVW (SignExt8to16 x) (SignExt8to16 y)))
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(Mod(64|32|16)u x y) -> (Select1 (DIV(Q|L|W)U x y))
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(Mod8u x y) -> (Select1 (DIVWU (ZeroExt8to16 x) (ZeroExt8to16 y)))
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(Mod(64|32|16) [a] x y) => (Select1 (DIV(Q|L|W) [a] x y))
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(Mod8 x y) => (Select1 (DIVW (SignExt8to16 x) (SignExt8to16 y)))
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(Mod(64|32|16)u x y) => (Select1 (DIV(Q|L|W)U x y))
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(Mod8u x y) => (Select1 (DIVWU (ZeroExt8to16 x) (ZeroExt8to16 y)))
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(And(64|32|16|8) ...) -> (AND(Q|L|L|L) ...)
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(Or(64|32|16|8) ...) -> (OR(Q|L|L|L) ...)
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(Xor(64|32|16|8) ...) -> (XOR(Q|L|L|L) ...)
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(Com(64|32|16|8) ...) -> (NOT(Q|L|L|L) ...)
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(And(64|32|16|8) ...) => (AND(Q|L|L|L) ...)
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(Or(64|32|16|8) ...) => (OR(Q|L|L|L) ...)
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(Xor(64|32|16|8) ...) => (XOR(Q|L|L|L) ...)
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(Com(64|32|16|8) ...) => (NOT(Q|L|L|L) ...)
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(Neg(64|32|16|8) ...) -> (NEG(Q|L|L|L) ...)
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(Neg32F x) -> (PXOR x (MOVSSconst <typ.Float32> [auxFrom32F(float32(math.Copysign(0, -1)))]))
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(Neg64F x) -> (PXOR x (MOVSDconst <typ.Float64> [auxFrom64F(math.Copysign(0, -1))]))
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(Neg(64|32|16|8) ...) => (NEG(Q|L|L|L) ...)
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(Neg32F x) => (PXOR x (MOVSSconst <typ.Float32> [float32(math.Copysign(0, -1))]))
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(Neg64F x) => (PXOR x (MOVSDconst <typ.Float64> [math.Copysign(0, -1)]))
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// Lowering boolean ops
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(AndB ...) -> (ANDL ...)
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(OrB ...) -> (ORL ...)
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(Not x) -> (XORLconst [1] x)
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(AndB ...) => (ANDL ...)
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(OrB ...) => (ORL ...)
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(Not x) => (XORLconst [1] x)
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// Lowering pointer arithmetic
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(OffPtr [off] ptr) && is32Bit(off) -> (ADDQconst [off] ptr)
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(OffPtr [off] ptr) -> (ADDQ (MOVQconst [off]) ptr)
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(OffPtr [off] ptr) && is32Bit(off) => (ADDQconst [int32(off)] ptr)
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(OffPtr [off] ptr) => (ADDQ (MOVQconst [off]) ptr)
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// Lowering other arithmetic
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(Ctz64 <t> x) -> (CMOVQEQ (Select0 <t> (BSFQ x)) (MOVQconst <t> [64]) (Select1 <types.TypeFlags> (BSFQ x)))
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(Ctz32 x) -> (Select0 (BSFQ (BTSQconst <typ.UInt64> [32] x)))
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(Ctz16 x) -> (BSFL (BTSLconst <typ.UInt32> [16] x))
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(Ctz8 x) -> (BSFL (BTSLconst <typ.UInt32> [ 8] x))
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(Ctz64 <t> x) => (CMOVQEQ (Select0 <t> (BSFQ x)) (MOVQconst <t> [64]) (Select1 <types.TypeFlags> (BSFQ x)))
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(Ctz32 x) => (Select0 (BSFQ (BTSQconst <typ.UInt64> [32] x)))
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(Ctz16 x) => (BSFL (BTSLconst <typ.UInt32> [16] x))
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(Ctz8 x) => (BSFL (BTSLconst <typ.UInt32> [ 8] x))
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(Ctz64NonZero x) -> (Select0 (BSFQ x))
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(Ctz32NonZero ...) -> (BSFL ...)
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(Ctz16NonZero ...) -> (BSFL ...)
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(Ctz8NonZero ...) -> (BSFL ...)
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(Ctz64NonZero x) => (Select0 (BSFQ x))
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(Ctz32NonZero ...) => (BSFL ...)
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(Ctz16NonZero ...) => (BSFL ...)
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(Ctz8NonZero ...) => (BSFL ...)
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// BitLen64 of a 64 bit value x requires checking whether x == 0, since BSRQ is undefined when x == 0.
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// However, for zero-extended values, we can cheat a bit, and calculate
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// BSR(x<<1 + 1), which is guaranteed to be non-zero, and which conveniently
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// places the index of the highest set bit where we want it.
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(BitLen64 <t> x) -> (ADDQconst [1] (CMOVQEQ <t> (Select0 <t> (BSRQ x)) (MOVQconst <t> [-1]) (Select1 <types.TypeFlags> (BSRQ x))))
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(BitLen32 x) -> (Select0 (BSRQ (LEAQ1 <typ.UInt64> [1] (MOVLQZX <typ.UInt64> x) (MOVLQZX <typ.UInt64> x))))
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(BitLen16 x) -> (BSRL (LEAL1 <typ.UInt32> [1] (MOVWQZX <typ.UInt32> x) (MOVWQZX <typ.UInt32> x)))
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(BitLen8 x) -> (BSRL (LEAL1 <typ.UInt32> [1] (MOVBQZX <typ.UInt32> x) (MOVBQZX <typ.UInt32> x)))
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(BitLen64 <t> x) => (ADDQconst [1] (CMOVQEQ <t> (Select0 <t> (BSRQ x)) (MOVQconst <t> [-1]) (Select1 <types.TypeFlags> (BSRQ x))))
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(BitLen32 x) => (Select0 (BSRQ (LEAQ1 <typ.UInt64> [1] (MOVLQZX <typ.UInt64> x) (MOVLQZX <typ.UInt64> x))))
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(BitLen16 x) => (BSRL (LEAL1 <typ.UInt32> [1] (MOVWQZX <typ.UInt32> x) (MOVWQZX <typ.UInt32> x)))
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(BitLen8 x) => (BSRL (LEAL1 <typ.UInt32> [1] (MOVBQZX <typ.UInt32> x) (MOVBQZX <typ.UInt32> x)))
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(Bswap(64|32) ...) -> (BSWAP(Q|L) ...)
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(Bswap(64|32) ...) => (BSWAP(Q|L) ...)
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(PopCount(64|32) ...) -> (POPCNT(Q|L) ...)
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(PopCount16 x) -> (POPCNTL (MOVWQZX <typ.UInt32> x))
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(PopCount8 x) -> (POPCNTL (MOVBQZX <typ.UInt32> x))
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(PopCount(64|32) ...) => (POPCNT(Q|L) ...)
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(PopCount16 x) => (POPCNTL (MOVWQZX <typ.UInt32> x))
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(PopCount8 x) => (POPCNTL (MOVBQZX <typ.UInt32> x))
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(Sqrt ...) -> (SQRTSD ...)
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(Sqrt ...) => (SQRTSD ...)
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(RoundToEven x) -> (ROUNDSD [0] x)
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(Floor x) -> (ROUNDSD [1] x)
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(Ceil x) -> (ROUNDSD [2] x)
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(Trunc x) -> (ROUNDSD [3] x)
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(FMA x y z) -> (VFMADD231SD z x y)
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(RoundToEven x) => (ROUNDSD [0] x)
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(Floor x) => (ROUNDSD [1] x)
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(Ceil x) => (ROUNDSD [2] x)
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(Trunc x) => (ROUNDSD [3] x)
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(FMA x y z) => (VFMADD231SD z x y)
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// Lowering extension
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// Note: we always extend to 64 bits even though some ops don't need that many result bits.
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@ -671,10 +671,6 @@ func fprint(w io.Writer, n Node) {
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fmt.Fprintf(w, "%s := ", n.name)
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fprint(w, n.value)
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fmt.Fprintln(w)
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case *Declare2:
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fmt.Fprintf(w, "%s, %s := ", n.name1, n.name2)
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fprint(w, n.value)
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fmt.Fprintln(w)
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case *CondBreak:
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fmt.Fprintf(w, "if ")
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fprint(w, n.expr)
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@ -746,7 +742,7 @@ var predeclared = map[string]bool{
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"true": true,
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}
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// declared reports if the body contains a Declare or Declare2 with the given name.
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// declared reports if the body contains a Declare with the given name.
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func (w *bodyBase) declared(name string) bool {
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if predeclared[name] {
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// Treat predeclared names as having already been declared.
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@ -758,9 +754,6 @@ func (w *bodyBase) declared(name string) bool {
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if decl, ok := s.(*Declare); ok && decl.name == name {
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return true
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}
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if decl, ok := s.(*Declare2); ok && (decl.name1 == name || decl.name2 == name) {
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return true
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}
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}
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return false
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}
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@ -810,10 +803,6 @@ type (
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name string
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value ast.Expr
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}
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Declare2 struct {
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name1, name2 string
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value ast.Expr
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}
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// TODO: implement CondBreak as If + Break instead?
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CondBreak struct {
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expr ast.Expr
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@ -855,12 +844,6 @@ func declf(name, format string, a ...interface{}) *Declare {
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return &Declare{name, exprf(format, a...)}
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}
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// decl2f constructs a simple "name1, name2 := value" declaration, using exprf for its
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// value.
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func decl2f(name1, name2, format string, a ...interface{}) *Declare2 {
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return &Declare2{name1, name2, exprf(format, a...)}
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}
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// breakf constructs a simple "if cond { break }" statement, using exprf for its
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// condition.
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func breakf(format string, a ...interface{}) *CondBreak {
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@ -1051,11 +1034,7 @@ func genMatch0(rr *RuleRewrite, arch arch, match, v string, cnt map[string]int,
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if !token.IsIdentifier(e.name) || rr.declared(e.name) {
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switch e.field {
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case "Aux":
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rr.add(&If{
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expr: exprf("%s.%s == nil", v, e.field),
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stmt: breakf("%s == nil", e.name),
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alt: breakf("%s.%s.(%s) == %s", v, e.field, e.dclType, e.name),
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})
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rr.add(breakf("auxTo%s(%s.%s) != %s", strings.Title(e.dclType), v, e.field, e.name))
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case "AuxInt":
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rr.add(breakf("auxIntTo%s(%s.%s) != %s", strings.Title(e.dclType), v, e.field, e.name))
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case "Type":
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@ -1064,12 +1043,7 @@ func genMatch0(rr *RuleRewrite, arch arch, match, v string, cnt map[string]int,
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} else {
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switch e.field {
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case "Aux":
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if e.dclType == "Sym" {
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// TODO: kind of a hack - allows nil interface through
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rr.add(decl2f(e.name, "_", "%s.Aux.(Sym)", v))
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} else {
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rr.add(declf(e.name, "%s.%s.(%s)", v, e.field, e.dclType))
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}
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rr.add(declf(e.name, "auxTo%s(%s.%s)", strings.Title(e.dclType), v, e.field))
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case "AuxInt":
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rr.add(declf(e.name, "auxIntTo%s(%s.%s)", strings.Title(e.dclType), v, e.field))
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case "Type":
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@ -1237,8 +1211,7 @@ func genResult0(rr *RuleRewrite, arch arch, result string, top, move bool, pos s
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if auxint != "" {
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if rr.typed {
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// Make sure auxint value has the right type.
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rr.add(stmtf("var _auxint %s = %s", op.auxIntType(), auxint))
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rr.add(stmtf("%s.AuxInt = %sToAuxInt(_auxint)", v, op.auxIntType()))
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rr.add(stmtf("%s.AuxInt = %sToAuxInt(%s)", v, unTitle(op.auxIntType()), auxint))
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} else {
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rr.add(stmtf("%s.AuxInt = %s", v, auxint))
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}
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@ -1246,8 +1219,7 @@ func genResult0(rr *RuleRewrite, arch arch, result string, top, move bool, pos s
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if aux != "" {
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if rr.typed {
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// Make sure aux value has the right type.
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rr.add(stmtf("var _aux %s = %s", op.auxType(), aux))
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rr.add(stmtf("%s.Aux = _aux", v))
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rr.add(stmtf("%s.Aux = %sToAux(%s)", v, unTitle(op.auxType()), aux))
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} else {
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rr.add(stmtf("%s.Aux = %s", v, aux))
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}
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@ -1807,3 +1779,7 @@ func (op opData) auxIntType() string {
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return "invalid"
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}
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}
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func unTitle(s string) string {
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return strings.ToLower(s[:1]) + s[1:]
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}
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@ -593,10 +593,26 @@ func float32ToAuxInt(f float32) int64 {
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func float64ToAuxInt(f float64) int64 {
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return int64(math.Float64bits(f))
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}
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func ValAndOffToAuxInt(v ValAndOff) int64 {
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||||
func valAndOffToAuxInt(v ValAndOff) int64 {
|
||||
return int64(v)
|
||||
}
|
||||
|
||||
func auxToString(i interface{}) string {
|
||||
return i.(string)
|
||||
}
|
||||
func auxToSym(i interface{}) Sym {
|
||||
// TODO: kind of a hack - allows nil interface through
|
||||
s, _ := i.(Sym)
|
||||
return s
|
||||
}
|
||||
|
||||
func stringToAux(s string) interface{} {
|
||||
return s
|
||||
}
|
||||
func symToAux(s Sym) interface{} {
|
||||
return s
|
||||
}
|
||||
|
||||
// uaddOvf reports whether unsigned a+b would overflow.
|
||||
func uaddOvf(a, b int64) bool {
|
||||
return uint64(a)+uint64(b) < uint64(a)
|
||||
|
||||
@ -1187,20 +1187,20 @@ func rewriteValueAMD64_OpAMD64ADCQ(v *Value) bool {
|
||||
v_0 := v.Args[0]
|
||||
// match: (ADCQ x (MOVQconst [c]) carry)
|
||||
// cond: is32Bit(c)
|
||||
// result: (ADCQconst x [c] carry)
|
||||
// result: (ADCQconst x [int32(c)] carry)
|
||||
for {
|
||||
for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
|
||||
x := v_0
|
||||
if v_1.Op != OpAMD64MOVQconst {
|
||||
continue
|
||||
}
|
||||
c := v_1.AuxInt
|
||||
c := auxIntToInt64(v_1.AuxInt)
|
||||
carry := v_2
|
||||
if !(is32Bit(c)) {
|
||||
continue
|
||||
}
|
||||
v.reset(OpAMD64ADCQconst)
|
||||
v.AuxInt = c
|
||||
v.AuxInt = int32ToAuxInt(int32(c))
|
||||
v.AddArg2(x, carry)
|
||||
return true
|
||||
}
|
||||
@ -1226,13 +1226,13 @@ func rewriteValueAMD64_OpAMD64ADCQconst(v *Value) bool {
|
||||
// match: (ADCQconst x [c] (FlagEQ))
|
||||
// result: (ADDQconstcarry x [c])
|
||||
for {
|
||||
c := v.AuxInt
|
||||
c := auxIntToInt32(v.AuxInt)
|
||||
x := v_0
|
||||
if v_1.Op != OpAMD64FlagEQ {
|
||||
break
|
||||
}
|
||||
v.reset(OpAMD64ADDQconstcarry)
|
||||
v.AuxInt = c
|
||||
v.AuxInt = int32ToAuxInt(c)
|
||||
v.AddArg(x)
|
||||
return true
|
||||
}
|
||||
@ -2097,19 +2097,19 @@ func rewriteValueAMD64_OpAMD64ADDQcarry(v *Value) bool {
|
||||
v_0 := v.Args[0]
|
||||
// match: (ADDQcarry x (MOVQconst [c]))
|
||||
// cond: is32Bit(c)
|
||||
// result: (ADDQconstcarry x [c])
|
||||
// result: (ADDQconstcarry x [int32(c)])
|
||||
for {
|
||||
for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
|
||||
x := v_0
|
||||
if v_1.Op != OpAMD64MOVQconst {
|
||||
continue
|
||||
}
|
||||
c := v_1.AuxInt
|
||||
c := auxIntToInt64(v_1.AuxInt)
|
||||
if !(is32Bit(c)) {
|
||||
continue
|
||||
}
|
||||
v.reset(OpAMD64ADDQconstcarry)
|
||||
v.AuxInt = c
|
||||
v.AuxInt = int32ToAuxInt(int32(c))
|
||||
v.AddArg(x)
|
||||
return true
|
||||
}
|
||||
@ -6946,7 +6946,7 @@ func rewriteValueAMD64_OpAMD64CMPBconst(v *Value) bool {
|
||||
break
|
||||
}
|
||||
off := auxIntToInt32(l.AuxInt)
|
||||
sym, _ := l.Aux.(Sym)
|
||||
sym := auxToSym(l.Aux)
|
||||
mem := l.Args[1]
|
||||
ptr := l.Args[0]
|
||||
if !(l.Uses == 1 && clobber(l)) {
|
||||
@ -6955,10 +6955,8 @@ func rewriteValueAMD64_OpAMD64CMPBconst(v *Value) bool {
|
||||
b = l.Block
|
||||
v0 := b.NewValue0(l.Pos, OpAMD64CMPBconstload, types.TypeFlags)
|
||||
v.copyOf(v0)
|
||||
var _auxint ValAndOff = makeValAndOff32(int32(c), off)
|
||||
v0.AuxInt = ValAndOffToAuxInt(_auxint)
|
||||
var _aux Sym = sym
|
||||
v0.Aux = _aux
|
||||
v0.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(c), off))
|
||||
v0.Aux = symToAux(sym)
|
||||
v0.AddArg2(ptr, mem)
|
||||
return true
|
||||
}
|
||||
@ -7333,7 +7331,7 @@ func rewriteValueAMD64_OpAMD64CMPLconst(v *Value) bool {
|
||||
break
|
||||
}
|
||||
off := auxIntToInt32(l.AuxInt)
|
||||
sym, _ := l.Aux.(Sym)
|
||||
sym := auxToSym(l.Aux)
|
||||
mem := l.Args[1]
|
||||
ptr := l.Args[0]
|
||||
if !(l.Uses == 1 && clobber(l)) {
|
||||
@ -7342,10 +7340,8 @@ func rewriteValueAMD64_OpAMD64CMPLconst(v *Value) bool {
|
||||
b = l.Block
|
||||
v0 := b.NewValue0(l.Pos, OpAMD64CMPLconstload, types.TypeFlags)
|
||||
v.copyOf(v0)
|
||||
var _auxint ValAndOff = makeValAndOff32(c, off)
|
||||
v0.AuxInt = ValAndOffToAuxInt(_auxint)
|
||||
var _aux Sym = sym
|
||||
v0.Aux = _aux
|
||||
v0.AuxInt = valAndOffToAuxInt(makeValAndOff32(c, off))
|
||||
v0.Aux = symToAux(sym)
|
||||
v0.AddArg2(ptr, mem)
|
||||
return true
|
||||
}
|
||||
@ -7900,7 +7896,7 @@ func rewriteValueAMD64_OpAMD64CMPQconst(v *Value) bool {
|
||||
break
|
||||
}
|
||||
off := auxIntToInt32(l.AuxInt)
|
||||
sym, _ := l.Aux.(Sym)
|
||||
sym := auxToSym(l.Aux)
|
||||
mem := l.Args[1]
|
||||
ptr := l.Args[0]
|
||||
if !(l.Uses == 1 && clobber(l)) {
|
||||
@ -7909,10 +7905,8 @@ func rewriteValueAMD64_OpAMD64CMPQconst(v *Value) bool {
|
||||
b = l.Block
|
||||
v0 := b.NewValue0(l.Pos, OpAMD64CMPQconstload, types.TypeFlags)
|
||||
v.copyOf(v0)
|
||||
var _auxint ValAndOff = makeValAndOff32(c, off)
|
||||
v0.AuxInt = ValAndOffToAuxInt(_auxint)
|
||||
var _aux Sym = sym
|
||||
v0.Aux = _aux
|
||||
v0.AuxInt = valAndOffToAuxInt(makeValAndOff32(c, off))
|
||||
v0.Aux = symToAux(sym)
|
||||
v0.AddArg2(ptr, mem)
|
||||
return true
|
||||
}
|
||||
@ -8272,7 +8266,7 @@ func rewriteValueAMD64_OpAMD64CMPWconst(v *Value) bool {
|
||||
break
|
||||
}
|
||||
off := auxIntToInt32(l.AuxInt)
|
||||
sym, _ := l.Aux.(Sym)
|
||||
sym := auxToSym(l.Aux)
|
||||
mem := l.Args[1]
|
||||
ptr := l.Args[0]
|
||||
if !(l.Uses == 1 && clobber(l)) {
|
||||
@ -8281,10 +8275,8 @@ func rewriteValueAMD64_OpAMD64CMPWconst(v *Value) bool {
|
||||
b = l.Block
|
||||
v0 := b.NewValue0(l.Pos, OpAMD64CMPWconstload, types.TypeFlags)
|
||||
v.copyOf(v0)
|
||||
var _auxint ValAndOff = makeValAndOff32(int32(c), off)
|
||||
v0.AuxInt = ValAndOffToAuxInt(_auxint)
|
||||
var _aux Sym = sym
|
||||
v0.Aux = _aux
|
||||
v0.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(c), off))
|
||||
v0.Aux = symToAux(sym)
|
||||
v0.AddArg2(ptr, mem)
|
||||
return true
|
||||
}
|
||||
@ -21179,19 +21171,19 @@ func rewriteValueAMD64_OpAMD64SBBQ(v *Value) bool {
|
||||
v_0 := v.Args[0]
|
||||
// match: (SBBQ x (MOVQconst [c]) borrow)
|
||||
// cond: is32Bit(c)
|
||||
// result: (SBBQconst x [c] borrow)
|
||||
// result: (SBBQconst x [int32(c)] borrow)
|
||||
for {
|
||||
x := v_0
|
||||
if v_1.Op != OpAMD64MOVQconst {
|
||||
break
|
||||
}
|
||||
c := v_1.AuxInt
|
||||
c := auxIntToInt64(v_1.AuxInt)
|
||||
borrow := v_2
|
||||
if !(is32Bit(c)) {
|
||||
break
|
||||
}
|
||||
v.reset(OpAMD64SBBQconst)
|
||||
v.AuxInt = c
|
||||
v.AuxInt = int32ToAuxInt(int32(c))
|
||||
v.AddArg2(x, borrow)
|
||||
return true
|
||||
}
|
||||
@ -21269,13 +21261,13 @@ func rewriteValueAMD64_OpAMD64SBBQconst(v *Value) bool {
|
||||
// match: (SBBQconst x [c] (FlagEQ))
|
||||
// result: (SUBQconstborrow x [c])
|
||||
for {
|
||||
c := v.AuxInt
|
||||
c := auxIntToInt32(v.AuxInt)
|
||||
x := v_0
|
||||
if v_1.Op != OpAMD64FlagEQ {
|
||||
break
|
||||
}
|
||||
v.reset(OpAMD64SUBQconstborrow)
|
||||
v.AuxInt = c
|
||||
v.AuxInt = int32ToAuxInt(c)
|
||||
v.AddArg(x)
|
||||
return true
|
||||
}
|
||||
@ -26563,18 +26555,18 @@ func rewriteValueAMD64_OpAMD64SUBQborrow(v *Value) bool {
|
||||
v_0 := v.Args[0]
|
||||
// match: (SUBQborrow x (MOVQconst [c]))
|
||||
// cond: is32Bit(c)
|
||||
// result: (SUBQconstborrow x [c])
|
||||
// result: (SUBQconstborrow x [int32(c)])
|
||||
for {
|
||||
x := v_0
|
||||
if v_1.Op != OpAMD64MOVQconst {
|
||||
break
|
||||
}
|
||||
c := v_1.AuxInt
|
||||
c := auxIntToInt64(v_1.AuxInt)
|
||||
if !(is32Bit(c)) {
|
||||
break
|
||||
}
|
||||
v.reset(OpAMD64SUBQconstborrow)
|
||||
v.AuxInt = c
|
||||
v.AuxInt = int32ToAuxInt(int32(c))
|
||||
v.AddArg(x)
|
||||
return true
|
||||
}
|
||||
@ -28502,7 +28494,7 @@ func rewriteValueAMD64_OpBitLen16(v *Value) bool {
|
||||
x := v_0
|
||||
v.reset(OpAMD64BSRL)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64LEAL1, typ.UInt32)
|
||||
v0.AuxInt = 1
|
||||
v0.AuxInt = int32ToAuxInt(1)
|
||||
v1 := b.NewValue0(v.Pos, OpAMD64MOVWQZX, typ.UInt32)
|
||||
v1.AddArg(x)
|
||||
v2 := b.NewValue0(v.Pos, OpAMD64MOVWQZX, typ.UInt32)
|
||||
@ -28523,7 +28515,7 @@ func rewriteValueAMD64_OpBitLen32(v *Value) bool {
|
||||
v.reset(OpSelect0)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64BSRQ, types.NewTuple(typ.UInt64, types.TypeFlags))
|
||||
v1 := b.NewValue0(v.Pos, OpAMD64LEAQ1, typ.UInt64)
|
||||
v1.AuxInt = 1
|
||||
v1.AuxInt = int32ToAuxInt(1)
|
||||
v2 := b.NewValue0(v.Pos, OpAMD64MOVLQZX, typ.UInt64)
|
||||
v2.AddArg(x)
|
||||
v3 := b.NewValue0(v.Pos, OpAMD64MOVLQZX, typ.UInt64)
|
||||
@ -28544,14 +28536,14 @@ func rewriteValueAMD64_OpBitLen64(v *Value) bool {
|
||||
t := v.Type
|
||||
x := v_0
|
||||
v.reset(OpAMD64ADDQconst)
|
||||
v.AuxInt = 1
|
||||
v.AuxInt = int32ToAuxInt(1)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64CMOVQEQ, t)
|
||||
v1 := b.NewValue0(v.Pos, OpSelect0, t)
|
||||
v2 := b.NewValue0(v.Pos, OpAMD64BSRQ, types.NewTuple(typ.UInt64, types.TypeFlags))
|
||||
v2.AddArg(x)
|
||||
v1.AddArg(v2)
|
||||
v3 := b.NewValue0(v.Pos, OpAMD64MOVQconst, t)
|
||||
v3.AuxInt = -1
|
||||
v3.AuxInt = int64ToAuxInt(-1)
|
||||
v4 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
|
||||
v5 := b.NewValue0(v.Pos, OpAMD64BSRQ, types.NewTuple(typ.UInt64, types.TypeFlags))
|
||||
v5.AddArg(x)
|
||||
@ -28571,7 +28563,7 @@ func rewriteValueAMD64_OpBitLen8(v *Value) bool {
|
||||
x := v_0
|
||||
v.reset(OpAMD64BSRL)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64LEAL1, typ.UInt32)
|
||||
v0.AuxInt = 1
|
||||
v0.AuxInt = int32ToAuxInt(1)
|
||||
v1 := b.NewValue0(v.Pos, OpAMD64MOVBQZX, typ.UInt32)
|
||||
v1.AddArg(x)
|
||||
v2 := b.NewValue0(v.Pos, OpAMD64MOVBQZX, typ.UInt32)
|
||||
@ -28588,7 +28580,7 @@ func rewriteValueAMD64_OpCeil(v *Value) bool {
|
||||
for {
|
||||
x := v_0
|
||||
v.reset(OpAMD64ROUNDSD)
|
||||
v.AuxInt = 2
|
||||
v.AuxInt = int8ToAuxInt(2)
|
||||
v.AddArg(x)
|
||||
return true
|
||||
}
|
||||
@ -29475,7 +29467,7 @@ func rewriteValueAMD64_OpCtz16(v *Value) bool {
|
||||
x := v_0
|
||||
v.reset(OpAMD64BSFL)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64BTSLconst, typ.UInt32)
|
||||
v0.AuxInt = 16
|
||||
v0.AuxInt = int8ToAuxInt(16)
|
||||
v0.AddArg(x)
|
||||
v.AddArg(v0)
|
||||
return true
|
||||
@ -29492,7 +29484,7 @@ func rewriteValueAMD64_OpCtz32(v *Value) bool {
|
||||
v.reset(OpSelect0)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64BSFQ, types.NewTuple(typ.UInt64, types.TypeFlags))
|
||||
v1 := b.NewValue0(v.Pos, OpAMD64BTSQconst, typ.UInt64)
|
||||
v1.AuxInt = 32
|
||||
v1.AuxInt = int8ToAuxInt(32)
|
||||
v1.AddArg(x)
|
||||
v0.AddArg(v1)
|
||||
v.AddArg(v0)
|
||||
@ -29514,7 +29506,7 @@ func rewriteValueAMD64_OpCtz64(v *Value) bool {
|
||||
v1.AddArg(x)
|
||||
v0.AddArg(v1)
|
||||
v2 := b.NewValue0(v.Pos, OpAMD64MOVQconst, t)
|
||||
v2.AuxInt = 64
|
||||
v2.AuxInt = int64ToAuxInt(64)
|
||||
v3 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
|
||||
v4 := b.NewValue0(v.Pos, OpAMD64BSFQ, types.NewTuple(typ.UInt64, types.TypeFlags))
|
||||
v4.AddArg(x)
|
||||
@ -29548,7 +29540,7 @@ func rewriteValueAMD64_OpCtz8(v *Value) bool {
|
||||
x := v_0
|
||||
v.reset(OpAMD64BSFL)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64BTSLconst, typ.UInt32)
|
||||
v0.AuxInt = 8
|
||||
v0.AuxInt = int8ToAuxInt(8)
|
||||
v0.AddArg(x)
|
||||
v.AddArg(v0)
|
||||
return true
|
||||
@ -29562,12 +29554,12 @@ func rewriteValueAMD64_OpDiv16(v *Value) bool {
|
||||
// match: (Div16 [a] x y)
|
||||
// result: (Select0 (DIVW [a] x y))
|
||||
for {
|
||||
a := v.AuxInt
|
||||
a := auxIntToBool(v.AuxInt)
|
||||
x := v_0
|
||||
y := v_1
|
||||
v.reset(OpSelect0)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64DIVW, types.NewTuple(typ.Int16, typ.Int16))
|
||||
v0.AuxInt = a
|
||||
v0.AuxInt = boolToAuxInt(a)
|
||||
v0.AddArg2(x, y)
|
||||
v.AddArg(v0)
|
||||
return true
|
||||
@ -29598,12 +29590,12 @@ func rewriteValueAMD64_OpDiv32(v *Value) bool {
|
||||
// match: (Div32 [a] x y)
|
||||
// result: (Select0 (DIVL [a] x y))
|
||||
for {
|
||||
a := v.AuxInt
|
||||
a := auxIntToBool(v.AuxInt)
|
||||
x := v_0
|
||||
y := v_1
|
||||
v.reset(OpSelect0)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64DIVL, types.NewTuple(typ.Int32, typ.Int32))
|
||||
v0.AuxInt = a
|
||||
v0.AuxInt = boolToAuxInt(a)
|
||||
v0.AddArg2(x, y)
|
||||
v.AddArg(v0)
|
||||
return true
|
||||
@ -29634,12 +29626,12 @@ func rewriteValueAMD64_OpDiv64(v *Value) bool {
|
||||
// match: (Div64 [a] x y)
|
||||
// result: (Select0 (DIVQ [a] x y))
|
||||
for {
|
||||
a := v.AuxInt
|
||||
a := auxIntToBool(v.AuxInt)
|
||||
x := v_0
|
||||
y := v_1
|
||||
v.reset(OpSelect0)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64DIVQ, types.NewTuple(typ.Int64, typ.Int64))
|
||||
v0.AuxInt = a
|
||||
v0.AuxInt = boolToAuxInt(a)
|
||||
v0.AddArg2(x, y)
|
||||
v.AddArg(v0)
|
||||
return true
|
||||
@ -29854,7 +29846,7 @@ func rewriteValueAMD64_OpFloor(v *Value) bool {
|
||||
for {
|
||||
x := v_0
|
||||
v.reset(OpAMD64ROUNDSD)
|
||||
v.AuxInt = 1
|
||||
v.AuxInt = int8ToAuxInt(1)
|
||||
v.AddArg(x)
|
||||
return true
|
||||
}
|
||||
@ -30992,12 +30984,12 @@ func rewriteValueAMD64_OpMod16(v *Value) bool {
|
||||
// match: (Mod16 [a] x y)
|
||||
// result: (Select1 (DIVW [a] x y))
|
||||
for {
|
||||
a := v.AuxInt
|
||||
a := auxIntToBool(v.AuxInt)
|
||||
x := v_0
|
||||
y := v_1
|
||||
v.reset(OpSelect1)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64DIVW, types.NewTuple(typ.Int16, typ.Int16))
|
||||
v0.AuxInt = a
|
||||
v0.AuxInt = boolToAuxInt(a)
|
||||
v0.AddArg2(x, y)
|
||||
v.AddArg(v0)
|
||||
return true
|
||||
@ -31028,12 +31020,12 @@ func rewriteValueAMD64_OpMod32(v *Value) bool {
|
||||
// match: (Mod32 [a] x y)
|
||||
// result: (Select1 (DIVL [a] x y))
|
||||
for {
|
||||
a := v.AuxInt
|
||||
a := auxIntToBool(v.AuxInt)
|
||||
x := v_0
|
||||
y := v_1
|
||||
v.reset(OpSelect1)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64DIVL, types.NewTuple(typ.Int32, typ.Int32))
|
||||
v0.AuxInt = a
|
||||
v0.AuxInt = boolToAuxInt(a)
|
||||
v0.AddArg2(x, y)
|
||||
v.AddArg(v0)
|
||||
return true
|
||||
@ -31064,12 +31056,12 @@ func rewriteValueAMD64_OpMod64(v *Value) bool {
|
||||
// match: (Mod64 [a] x y)
|
||||
// result: (Select1 (DIVQ [a] x y))
|
||||
for {
|
||||
a := v.AuxInt
|
||||
a := auxIntToBool(v.AuxInt)
|
||||
x := v_0
|
||||
y := v_1
|
||||
v.reset(OpSelect1)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64DIVQ, types.NewTuple(typ.Int64, typ.Int64))
|
||||
v0.AuxInt = a
|
||||
v0.AuxInt = boolToAuxInt(a)
|
||||
v0.AddArg2(x, y)
|
||||
v.AddArg(v0)
|
||||
return true
|
||||
@ -31626,12 +31618,12 @@ func rewriteValueAMD64_OpNeg32F(v *Value) bool {
|
||||
b := v.Block
|
||||
typ := &b.Func.Config.Types
|
||||
// match: (Neg32F x)
|
||||
// result: (PXOR x (MOVSSconst <typ.Float32> [auxFrom32F(float32(math.Copysign(0, -1)))]))
|
||||
// result: (PXOR x (MOVSSconst <typ.Float32> [float32(math.Copysign(0, -1))]))
|
||||
for {
|
||||
x := v_0
|
||||
v.reset(OpAMD64PXOR)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64MOVSSconst, typ.Float32)
|
||||
v0.AuxInt = auxFrom32F(float32(math.Copysign(0, -1)))
|
||||
v0.AuxInt = float32ToAuxInt(float32(math.Copysign(0, -1)))
|
||||
v.AddArg2(x, v0)
|
||||
return true
|
||||
}
|
||||
@ -31641,12 +31633,12 @@ func rewriteValueAMD64_OpNeg64F(v *Value) bool {
|
||||
b := v.Block
|
||||
typ := &b.Func.Config.Types
|
||||
// match: (Neg64F x)
|
||||
// result: (PXOR x (MOVSDconst <typ.Float64> [auxFrom64F(math.Copysign(0, -1))]))
|
||||
// result: (PXOR x (MOVSDconst <typ.Float64> [math.Copysign(0, -1)]))
|
||||
for {
|
||||
x := v_0
|
||||
v.reset(OpAMD64PXOR)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64MOVSDconst, typ.Float64)
|
||||
v0.AuxInt = auxFrom64F(math.Copysign(0, -1))
|
||||
v0.AuxInt = float64ToAuxInt(math.Copysign(0, -1))
|
||||
v.AddArg2(x, v0)
|
||||
return true
|
||||
}
|
||||
@ -31786,7 +31778,7 @@ func rewriteValueAMD64_OpNot(v *Value) bool {
|
||||
for {
|
||||
x := v_0
|
||||
v.reset(OpAMD64XORLconst)
|
||||
v.AuxInt = 1
|
||||
v.AuxInt = int32ToAuxInt(1)
|
||||
v.AddArg(x)
|
||||
return true
|
||||
}
|
||||
@ -31797,26 +31789,26 @@ func rewriteValueAMD64_OpOffPtr(v *Value) bool {
|
||||
typ := &b.Func.Config.Types
|
||||
// match: (OffPtr [off] ptr)
|
||||
// cond: is32Bit(off)
|
||||
// result: (ADDQconst [off] ptr)
|
||||
// result: (ADDQconst [int32(off)] ptr)
|
||||
for {
|
||||
off := v.AuxInt
|
||||
off := auxIntToInt64(v.AuxInt)
|
||||
ptr := v_0
|
||||
if !(is32Bit(off)) {
|
||||
break
|
||||
}
|
||||
v.reset(OpAMD64ADDQconst)
|
||||
v.AuxInt = off
|
||||
v.AuxInt = int32ToAuxInt(int32(off))
|
||||
v.AddArg(ptr)
|
||||
return true
|
||||
}
|
||||
// match: (OffPtr [off] ptr)
|
||||
// result: (ADDQ (MOVQconst [off]) ptr)
|
||||
for {
|
||||
off := v.AuxInt
|
||||
off := auxIntToInt64(v.AuxInt)
|
||||
ptr := v_0
|
||||
v.reset(OpAMD64ADDQ)
|
||||
v0 := b.NewValue0(v.Pos, OpAMD64MOVQconst, typ.UInt64)
|
||||
v0.AuxInt = off
|
||||
v0.AuxInt = int64ToAuxInt(off)
|
||||
v.AddArg2(v0, ptr)
|
||||
return true
|
||||
}
|
||||
@ -31912,7 +31904,7 @@ func rewriteValueAMD64_OpRoundToEven(v *Value) bool {
|
||||
for {
|
||||
x := v_0
|
||||
v.reset(OpAMD64ROUNDSD)
|
||||
v.AuxInt = 0
|
||||
v.AuxInt = int8ToAuxInt(0)
|
||||
v.AddArg(x)
|
||||
return true
|
||||
}
|
||||
@ -33442,7 +33434,7 @@ func rewriteValueAMD64_OpSelect1(v *Value) bool {
|
||||
break
|
||||
}
|
||||
v_0_0 := v_0.Args[0]
|
||||
if v_0_0.Op != OpAMD64MOVQconst || v_0_0.AuxInt != 0 {
|
||||
if v_0_0.Op != OpAMD64MOVQconst || auxIntToInt64(v_0_0.AuxInt) != 0 {
|
||||
break
|
||||
}
|
||||
v.reset(OpAMD64FlagEQ)
|
||||
@ -33647,7 +33639,7 @@ func rewriteValueAMD64_OpTrunc(v *Value) bool {
|
||||
for {
|
||||
x := v_0
|
||||
v.reset(OpAMD64ROUNDSD)
|
||||
v.AuxInt = 3
|
||||
v.AuxInt = int8ToAuxInt(3)
|
||||
v.AddArg(x)
|
||||
return true
|
||||
}
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user