mirror of
https://github.com/Q3Rally-Team/rallyunlimited-engine.git
synced 2024-11-21 20:10:57 +00:00
114 lines
No EOL
1.6 KiB
ArmAsm
114 lines
No EOL
1.6 KiB
ArmAsm
#include "qasm.h"
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#if id386
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#ifndef __clang__
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.arch athlon
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#endif
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.intel_syntax noprefix
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.text
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.globl C(S_WriteLinearBlastStereo16_SSE)
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C(S_WriteLinearBlastStereo16_SSE):
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push ebx
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push esi
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push edi
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mov esi,snd_p
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mov edi,snd_out
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mov ebx,snd_linear_count
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test ebx,ebx
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jz LExit
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mov ecx,esi
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and ecx,63
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jz LMain
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and ecx,3
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jnz LTail
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shr ecx,2
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not ecx
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add ecx,17
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LClamp1:
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mov eax,[esi]
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sar eax,8
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cmp eax,32767
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jg LClampHigh1
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cmp eax,-32768
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jnl LClampDone1
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mov eax,-32768
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jmp LClampDone1
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LClampHigh1:
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mov eax,32767
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LClampDone1:
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mov [edi],ax
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add esi,4
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add edi,2
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dec ebx
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jz LExit
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dec ecx
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jnz LClamp1
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LMain:
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mov ecx,ebx
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shr ecx,4
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jz LTail
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and ebx,15
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LAgain:
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movq mm0, qword ptr [esi+ 0]
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movq mm1, qword ptr [esi+ 8]
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movq mm2, qword ptr [esi+16]
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movq mm3, qword ptr [esi+24]
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movq mm4, qword ptr [esi+32]
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movq mm5, qword ptr [esi+40]
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movq mm6, qword ptr [esi+48]
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movq mm7, qword ptr [esi+56]
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psrad mm0,8
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psrad mm1,8
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psrad mm2,8
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psrad mm3,8
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psrad mm4,8
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psrad mm5,8
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psrad mm6,8
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psrad mm7,8
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packssdw mm0, mm1
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packssdw mm2, mm3
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packssdw mm4, mm5
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packssdw mm6, mm7
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movntq qword ptr [edi+ 0], mm0
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movntq qword ptr [edi+ 8], mm2
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movntq qword ptr [edi+16], mm4
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movntq qword ptr [edi+24], mm6
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add esi, 64
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add edi, 32
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dec ecx
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jnz LAgain
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LTail:
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test ebx, ebx
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jz LEnd
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LClamp2:
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mov eax,[esi]
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sar eax,8
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cmp eax,32767
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jg LClampHigh2
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cmp eax,-32768
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jnl LClampDone2
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mov eax,-32768
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jmp LClampDone2
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LClampHigh2:
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mov eax,32767
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LClampDone2:
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mov [edi],ax
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add esi,4
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add edi,2
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dec ebx
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jnz LClamp2
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LEnd:
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sfence
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emms
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LExit:
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pop edi
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pop esi
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pop ebx
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ret
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#endif |