arrow/math/int64_neon

//+build !noasm !appengine // ARROW-15172: // (C2GOASM doesn't work correctly for Arm64) // Partly GENERATED BY asm2plan9s. // func _sum_int64_neon(buf unsafe.Pointer, len uintptr, res unsafe.Pointer) TEXT ·_sum_int64_neon(SB), $0-24 MOVD buf+0(FP), R0 MOVD len+8(FP), R1 MOVD res+16(FP), R2 // The Go ABI saves the frame pointer register one word below the // caller's frame. Make room so we don't overwrite it. Needs to stay // 16-byte aligned SUB $16, RSP WORD $0xa9bf7bfd // stp x29, x30, [sp, #-16]! WORD $0x910003fd // mov x29, sp CBZ R1, LBB0_3 WORD $0xf1000c3f // cmp x1, #3 BHI LBB0_4 WORD $0xaa1f03e8 // mov x8, xzr WORD $0xaa1f03e9 // mov x9, xzr JMP LBB0_7 LBB0_3: WORD $0xaa1f03e9 // mov x9, xzr WORD $0xf9000049 // str x9, [x2] WORD $0xa8c17bfd // ldp x29, x30, [sp], #16 // Put the stack pointer back where it was ADD $16, RSP RET LBB0_4: WORD $0x927ef428 // and x8, x1, #0xfffffffffffffffc WORD $0x91004009 // add x9, x0, #16 WORD $0x6f00e400 // movi v0.2d, #0000000000000000 WORD $0xaa0803ea // mov x10, x8 WORD $0x6f00e401 // movi v1.2d, #0000000000000000 LBB0_5: WORD $0xad7f8d22 // ldp q2, q3, [x9, #-16] WORD $0xf100114a // subs x10, x10, #4 WORD $0x91008129 // add x9, x9, #32 WORD $0x4ee08440 // add v0.2d, v2.2d, v0.2d WORD $0x4ee18461 // add v1.2d, v3.2d, v1.2d BNE LBB0_5 WORD $0x4ee08420 // add v0.2d, v1.2d, v0.2d WORD $0x5ef1b800 // addp d0, v0.2d WORD $0xeb01011f // cmp x8, x1 WORD $0x9e660009 // fmov x9, d0 BEQ LBB0_9 LBB0_7: WORD $0x8b080c0a // add x10, x0, x8, lsl #3 WORD $0xcb080028 // sub x8, x1, x8 LBB0_8: WORD $0xf840854b // ldr x11, [x10], #8 WORD $0xf1000508 // subs x8, x8, #1 WORD $0x8b090169 // add x9, x11, x9 BNE LBB0_8 LBB0_9: WORD $0xf9000049 // str x9, [x2] WORD $0xa8c17bfd // ldp x29, x30, [sp], #16 // Put the stack pointer back where it was ADD $16, RSP RET

arrow/math/int64_neon_arm64.s (60 lines of code) (raw):