mirror of
https://github.com/FEX-Emu/FEX.git
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165 lines
5.0 KiB
NASM
165 lines
5.0 KiB
NASM
%ifdef CONFIG
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{
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"HostFeatures": ["AVX"],
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"RegData": {
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"RAX": ["8"],
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"RDX": ["8"],
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"XMM1": ["0x2121010101012121", "0x0000000001010101", "0x0000000000000000", "0x0000000000000000"],
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"XMM2": ["0x306F8A9E672C65E5", "0x000030443057697D", "0xAAAAAAAAAAAAAAAA", "0xBBBBBBBBBBBBBBBB"],
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"XMM3": ["0x306F8A9E672C65E5", "0x00003044305796E3", "0x8888888888888888", "0x9999999999999999"],
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"XMM4": ["0x000000000000F43F", "0x0000000000000000", "0x0000000000000000", "0x0000000000000000"],
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"XMM5": ["0x0000FFFFFFFFFFFF", "0xFFFFFFFF00FF0000", "0x0000000000000000", "0x0000000000000000"],
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"XMM6": ["0x0000000000000BC0", "0x0000000000000000", "0x0000000000000000", "0x0000000000000000"],
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"XMM7": ["0xFFFF000000000000", "0x00000000FF00FFFF", "0x0000000000000000", "0x0000000000000000"],
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"XMM8": ["0x0000000000000BC0", "0x0000000000000000", "0x0000000000000000", "0x0000000000000000"],
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"XMM9": ["0xFFFF000000000000", "0x00000000FF00FFFF", "0x0000000000000000", "0x0000000000000000"],
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"XMM10": ["0x00000000000000EF", "0x0000000000000000", "0x0000000000000000", "0x0000000000000000"],
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"XMM11": ["0xFFFFFFFFFFFFFFFF", "0xFFFFFFFFFFFF0000", "0x0000000000000000", "0x0000000000000000"],
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"XMM12": ["0x0000000000000010", "0x0000000000000000", "0x0000000000000000", "0x0000000000000000"],
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"XMM13": ["0x0000000000000000", "0x000000000000FFFF", "0x0000000000000000", "0x0000000000000000"],
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"XMM14": ["0x0000000000000010", "0x0000000000000000", "0x0000000000000000", "0x0000000000000000"],
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"XMM15": ["0x0000000000000000", "0x000000000000FFFF", "0x0000000000000000", "0x0000000000000000"]
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}
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}
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%endif
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; Adjusts the result from LAHF and SETO so that we have a set of flags organized
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; like [OF, SF, ZF, AF, PF, CF] for storing into the .flags region
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; of memory.
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;
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; The first parameter is the byte offset to store the flag result
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; at in the .flags region of memory.
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;
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%macro ArrangeAndStoreFLAGS 1
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lahf
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seto bl
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movzx bx, bl
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shr ax, 8
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shl bx, 5
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mov di, ax
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mov si, ax
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; Mask and shift
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and di, 0b0000_0000_0000_0100 ; PF
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and si, 0b0000_0000_0001_0000 ; AF
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shr di, 1
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shr si, 2
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; OR all of them together
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or bx, di
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or bx, si
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; Reclaim DI for getting ZF/SF and shift into place
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mov di, ax
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and di, 0b0000_0000_1100_0000 ; ZF and SF
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shr di, 3
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; Finally mask and OR all of the bits together
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and ax, 0b0000_0000_0000_0001 ; CF
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or bx, ax
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or bx, di
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; Store result to .flags memory
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mov [rel .flags + %1], bl
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%endmacro
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; Performs the string comparison and moves the result from XMM0 to
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; a specified vector in the third argument
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;
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; The first parameter is the location in memory result flags into.
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; The second parameter is the control values to pass to pcmpistrm
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; The third parameter is the XMM number to store the result in XMM0 to.
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;
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%macro CompareAndStore 3
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vpcmpestrm xmm2, xmm3, %2
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vmovaps xmm%3, xmm0
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mov r15, rax
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ArrangeAndStoreFLAGS %1
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mov rax, r15
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%endmacro
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vmovaps ymm2, [rel .data]
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vmovaps ymm3, [rel .data + 32]
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; Full length unsigned byte string check (bits, positive polarity)
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mov rax, 16
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mov rdx, 16
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CompareAndStore 0, 0b00001000, 4
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; Full length unsigned byte string check (mask, positive polarity)
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CompareAndStore 1, 0b01001000, 5
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; Full length unsigned byte string check (bits, negative polarity)
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CompareAndStore 2, 0b00011000, 6
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; Full length unsigned byte string check (mask, negative polarity)
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CompareAndStore 3, 0b01011000, 7
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; Full length unsigned byte string check (bits, negative masked)
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CompareAndStore 4, 0b00111000, 8
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; Full length unsigned byte string check (mask, negative masked)
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CompareAndStore 5, 0b01111000, 9
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; --- 16-bit unsigned word tests ---
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vmovaps ymm2, [rel .data16]
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vmovaps ymm3, [rel .data16 + 32]
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; Full length unsigned word string check (bits, positive polarity)
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mov rax, 8
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mov rdx, 8
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CompareAndStore 6, 0b00001001, 10
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; Full length unsigned word string check (mask, positive polarity)
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CompareAndStore 7, 0b01001001, 11
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; Full length unsigned word string check (bits, negative polarity)
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CompareAndStore 8, 0b00011001, 12
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; Full length unsigned word string check (mask, negative polarity)
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CompareAndStore 9, 0b01011001, 13
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; Full length unsigned word string check (bits, negative masked)
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CompareAndStore 10, 0b00111001, 14
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; Full length unsigned word string check (mask, negative masked)
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CompareAndStore 11, 0b01111001, 15
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; Load all our stored flags for result comparing
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vmovaps ymm1, [rel .flags]
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hlt
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align 32
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.data:
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dq 0x6550206F6C6C6548 ; "Hello Pe"
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dq 0x21212121656C706F ; "ople!!!!"
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dq 0xFFFFFFFFFFFFFFFF
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dq 0xEEEEEEEEEEEEEEEE
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dq 0x2759206F6C6C6548 ; "Hello Y'"
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dq 0x21212121216C6C61 ; "all!!!!!"
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dq 0xDDDDDDDDDDDDDDDD
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dq 0xCCCCCCCCCCCCCCCC
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.data16:
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dq 0x306F8A9E672C65E5 ; "日本語は"
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dq 0x000030443057697D ; "楽しい\0" (Japanese is fun)
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dq 0xAAAAAAAAAAAAAAAA
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dq 0xBBBBBBBBBBBBBBBB
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dq 0x306F8A9E672C65E5 ; "日本語は"
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dq 0x00003044305796E3 ; "難しい\0" (Japanese is hard)
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dq 0x8888888888888888
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dq 0x9999999999999999
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.flags:
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dq 0x0000000000000000
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dq 0x0000000000000000
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dq 0x0000000000000000
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dq 0x0000000000000000
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