mirror of
https://github.com/n64dev/cen64.git
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140 lines
2.5 KiB
ArmAsm
140 lines
2.5 KiB
ArmAsm
//
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// arch/x86_64/rsp/gcc/vch.s
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//
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// CEN64: Cycle-Accurate Nintendo 64 Simulator.
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// Copyright (C) 2014, Tyler J. Stachecki.
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//
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// This file is subject to the terms and conditions defined in
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// 'LICENSE', which is part of this source code package.
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//
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.include "rsp/gcc/defs.h"
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.text
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.ifdef __MINGW__
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.globl RSP_VCH
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.def RSP_VCH; .scl 2; .type 32; .endef
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.seh_proc RSP_VCH
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.ifndef __VECTORCALL__
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RSP_VCH:
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movdqa (%r8), %xmm0
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movdqa (%r9), %xmm1
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pxor %xmm2, %xmm2
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.endif
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.else
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.global RSP_VCH
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.type RSP_VCH, @function
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RSP_VCH:
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.endif
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.ifdef __AVX__
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vpxor %xmm0, %xmm1, vco_lo
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psraw $0xF, vco_lo
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vpxor %xmm0, vco_lo, %xmm3
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psubw vco_lo, %xmm3
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vpsubw %xmm3, %xmm1, %xmm4
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psraw $0xF, %xmm0
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vpcmpeqw %xmm4, %xmm2, %xmm5
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# vce
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vpcmpeqw vco_lo, %xmm4, vce
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pand vco_lo, vce
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# !eq
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vpor %xmm5, vce, vco_hi
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pcmpeqw %xmm2, vco_hi
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# le/ge
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pcmpgtw %xmm2, %xmm4
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por %xmm4, %xmm5
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vpblendvb vco_lo, %xmm0, %xmm5, vcc_hi
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pcmpeqw %xmm2, %xmm4
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vpblendvb vco_lo, %xmm4, %xmm0, vcc_lo
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# vd
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vpblendvb vco_lo, vcc_lo, vcc_hi, %xmm2
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vpblendvb %xmm2, %xmm3, %xmm1, %xmm0
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movdqa %xmm0, %xmm5
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retq
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.elseif __SSE4_1__ == 1
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movdqa %xmm1, %xmm5
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movdqa %xmm0, vcc_lo
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movdqa %xmm0, %xmm3
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pxor %xmm1, %xmm0
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psraw $0xF, %xmm0
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pxor %xmm0, %xmm3
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psubw %xmm0, %xmm3
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psubw %xmm3, %xmm1
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pxor %xmm4, %xmm4
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psraw $0xF, vcc_lo
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pcmpeqw %xmm1, %xmm4
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# vce
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movdqa %xmm0, vce
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pcmpeqw %xmm1, vce
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pand %xmm1, vce
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# !eq
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movdqa vce, vco_hi
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por %xmm4, vco_hi
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pcmpeqw %xmm2, vco_hi
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# le/ge
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pcmpgtw %xmm2, %xmm1
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por %xmm1, %xmm4
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movdqa %xmm4, vcc_hi
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pblendvb %xmm0, vcc_lo, vcc_hi
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pcmpeqw %xmm2, %xmm1
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pblendvb %xmm0, %xmm1, vcc_lo
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# vd
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movdqa %xmm0, vco_lo
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pblendvb %xmm0, vcc_lo, %xmm4
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movdqa %xmm4, %xmm0
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pblendvb %xmm0, %xmm3, %xmm5
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movdqa %xmm5, %xmm0
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retq
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.else
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movdqa %xmm0, vco_lo
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movdqa %xmm1, vce
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pxor %xmm1, vco_lo
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movdqa %xmm1, vco_hi
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psraw $0xF, vco_lo
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movdqa %xmm0, acc_lo
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movdqa %xmm1, vcc_lo
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pxor vco_lo, acc_lo
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movdqa %xmm1, vcc_hi
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pcmpeqw acc_lo, vce
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pand vco_lo, vcc_lo
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por vco_lo, vcc_hi
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psubw vco_lo, acc_lo
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pand vco_lo, vce
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paddw %xmm0, vcc_lo
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pcmpeqw acc_lo, vco_hi
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pminsw %xmm0, vcc_hi
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paddsw vco_lo, vcc_lo
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por vce, vco_hi
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psraw $0xF, vcc_lo
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pcmpeqw %xmm0, vcc_hi
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movdqa vcc_lo, %xmm3
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pcmpeqw %xmm2, vco_hi
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psubw vcc_hi, %xmm3
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psubw %xmm1, acc_lo
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pand vco_lo, %xmm3
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paddw vcc_hi, %xmm3
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pand %xmm3, acc_lo
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paddw %xmm1, acc_lo
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movdqa acc_lo, %xmm0
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retq
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.endif
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.ifdef __MINGW__
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.seh_endproc
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.else
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.size RSP_VCH,.-RSP_VCH
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.endif
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