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pass: de-prioritize base pointer in register allocation (#184)

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Updates #156
This commit is contained in:
Michael McLoughlin
2021-04-18 19:22:09 -07:00
committed by GitHub
parent f295bde84c
commit c32f24fb1e
9 changed files with 5273 additions and 5207 deletions
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6
examples/fnv1a/fnv1a.s
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@@ -3,18 +3,18 @@
#include "textflag.h"
// func Hash64(data []byte) uint64
TEXT ·Hash64(SB), NOSPLIT, $8-32
TEXT ·Hash64(SB), NOSPLIT, $0-32
MOVQ data_base+0(FP), CX
MOVQ data_len+8(FP), BX
MOVQ $0xcbf29ce484222325, AX
MOVQ $0x00000100000001b3, BP
MOVQ $0x00000100000001b3, SI
loop:
CMPQ BX, $0x00
JE done
MOVBQZX (CX), DX
XORQ DX, AX
MULQ BP
MULQ SI
INCQ CX
DECQ BX
JMP loop