Text file src/internal/runtime/maps/memhash_nosimd_amd64.s

     1  // Copyright 2026 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build !goexperiment.simd
     6  
     7  #include "textflag.h"
     8  
     9  // func memHash32AES(p unsafe.Pointer, h uintptr) uintptr
    10  // ABIInternal for performance.
    11  TEXT ·memHash32AES<ABIInternal>(SB),NOSPLIT,$0-24
    12  	// AX = ptr to data
    13  	// BX = seed
    14  	MOVQ	BX, X0	// X0 = seed
    15  	PINSRD	$2, (AX), X0	// data
    16  	AESENC	·aeskeysched+0(SB), X0
    17  	AESENC	·aeskeysched+16(SB), X0
    18  	AESENC	·aeskeysched+32(SB), X0
    19  	MOVQ	X0, AX	// return X0
    20  	RET
    21  
    22  // func memHash64AES(p unsafe.Pointer, h uintptr) uintptr
    23  // ABIInternal for performance.
    24  TEXT ·memHash64AES<ABIInternal>(SB),NOSPLIT,$0-24
    25  	// AX = ptr to data
    26  	// BX = seed
    27  	MOVQ	BX, X0	// X0 = seed
    28  	PINSRQ	$1, (AX), X0	// data
    29  	AESENC	·aeskeysched+0(SB), X0
    30  	AESENC	·aeskeysched+16(SB), X0
    31  	AESENC	·aeskeysched+32(SB), X0
    32  	MOVQ	X0, AX	// return X0
    33  	RET
    34  

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