mirror of
https://github.com/FEX-Emu/FEX.git
synced 2025-01-09 23:30:37 +00:00
155 lines
3.7 KiB
NASM
155 lines
3.7 KiB
NASM
%ifdef CONFIG
|
|
{
|
|
"HostFeatures": ["AVX"],
|
|
"RegData": {
|
|
"RAX": ["15"],
|
|
"RDX": ["16"],
|
|
"XMM0": ["0x04070F000F000E05", "0x0000000000040404", "0x0000000000000000", "0x0000000000000000"],
|
|
"XMM1": ["0x0121313131311111", "0x0000000000010101", "0x0000000000000000", "0x0000000000000000"],
|
|
"XMM2": ["0x306F8A9E672C65E5", "0x000030443057697D", "0xAAAAAAAAAAAAAAAA", "0xBBBBBBBBBBBBBBBB"],
|
|
"XMM3": ["0x306F8A9E672C65E5", "0x00003044305796E3", "0x8888888888888888", "0x9999999999999999"]
|
|
}
|
|
}
|
|
%endif
|
|
|
|
; Adjusts the result from LAHF and SETO so that we have a set of flags organized
|
|
; like [OF, SF, ZF, AF, PF, CF] for storing into the .flags region
|
|
; of memory.
|
|
;
|
|
; The first parameter is the byte offset to store the flag result
|
|
; at in the .flags region of memory.
|
|
;
|
|
%macro ArrangeAndStoreFLAGS 1
|
|
lahf
|
|
seto bl
|
|
movzx bx, bl
|
|
|
|
shr ax, 8
|
|
shl bx, 5
|
|
|
|
mov di, ax
|
|
mov si, ax
|
|
|
|
; Mask and shift
|
|
and di, 0b0000_0000_0000_0100 ; PF
|
|
and si, 0b0000_0000_0001_0000 ; AF
|
|
shr di, 1
|
|
shr si, 2
|
|
|
|
; OR all of them together
|
|
or bx, di
|
|
or bx, si
|
|
|
|
; Reclaim DI for getting ZF/SF and shift into place
|
|
mov di, ax
|
|
and di, 0b0000_0000_1100_0000 ; ZF and SF
|
|
shr di, 3
|
|
|
|
; Finally mask and OR all of the bits together
|
|
and ax, 0b0000_0000_0000_0001 ; CF
|
|
or bx, ax
|
|
or bx, di
|
|
|
|
; Store result to .flags memory
|
|
mov [rel .flags + %1], bl
|
|
%endmacro
|
|
|
|
; Performs the string comparison and moves the result from RCX to
|
|
; a region of memory in the .indices section specified by a byte
|
|
; offset.
|
|
;
|
|
; The first parameter is the byte offset to store the RCX result to.
|
|
; The second parameter is the control values to pass to vpcmpestri
|
|
;
|
|
%macro CompareAndStore 2
|
|
vpcmpestri xmm2, xmm3, %2
|
|
mov [rel .indices + %1], cl
|
|
|
|
mov r15, rax
|
|
ArrangeAndStoreFLAGS %1
|
|
mov rax, r15
|
|
%endmacro
|
|
|
|
vmovaps ymm2, [rel .data]
|
|
vmovaps ymm3, [rel .data + 32]
|
|
|
|
; Unsigned byte character check (lsb, positive polarity)
|
|
mov rax, 15 ; Exclude 'l'
|
|
mov rdx, 16
|
|
CompareAndStore 0, 0b00000000
|
|
|
|
; Unsigned byte character check (msb, positive polarity)
|
|
CompareAndStore 1, 0b01000000
|
|
|
|
; Unsigned byte character check (lsb, negative polarity)
|
|
CompareAndStore 2, 0b00010000
|
|
|
|
; Unsigned byte character check (msb, negative polarity)
|
|
CompareAndStore 3, 0b01010000
|
|
|
|
; Unsigned byte character check (lsb, negative masked)
|
|
CompareAndStore 4, 0b00110000
|
|
|
|
; Unsigned byte character check (msb, negative masked)
|
|
CompareAndStore 5, 0b01110000
|
|
|
|
; --- 16-bit unsigned word tests ---
|
|
vmovaps ymm2, [rel .data16]
|
|
vmovaps ymm3, [rel .data16 + 32]
|
|
|
|
; Unsigned word character check (msb, positive polarity)
|
|
CompareAndStore 6, 0b01000001
|
|
|
|
; Unsigned word character check (lsb, negative polarity)
|
|
CompareAndStore 7, 0b00010001
|
|
|
|
; Unsigned word character check (msb, negative polarity)
|
|
CompareAndStore 8, 0b01010001
|
|
|
|
; Unsigned word character check (lsb, negative masked)
|
|
CompareAndStore 9, 0b00110001
|
|
|
|
; Unsigned word character check (msb, negative masked)
|
|
CompareAndStore 10, 0b01110001
|
|
|
|
; Load all our stored indices and flags for result comparing
|
|
vmovaps ymm0, [rel .indices]
|
|
vmovaps ymm1, [rel .flags]
|
|
|
|
hlt
|
|
|
|
align 32
|
|
.data:
|
|
dq 0x6463626144434241 ; "ABCDabcd"
|
|
dq 0x6C6B6A694C4B4A49 ; "IJKLijkl"
|
|
dq 0xFFFFFFFFFFFFFFFF
|
|
dq 0xEEEEEEEEEEEEEEEE
|
|
|
|
dq 0x4120492065726548 ; "Here I A"
|
|
dq 0x6C4C612759202C6D ; "m, Y'aLl"
|
|
dq 0xDDDDDDDDDDDDDDDD
|
|
dq 0xCCCCCCCCCCCCCCCC
|
|
|
|
.data16:
|
|
dq 0x306F8A9E672C65E5 ; "日本語は"
|
|
dq 0x000030443057697D ; "楽しい\0" (Japanese is fun)
|
|
dq 0xAAAAAAAAAAAAAAAA
|
|
dq 0xBBBBBBBBBBBBBBBB
|
|
|
|
dq 0x306F8A9E672C65E5 ; "日本語は"
|
|
dq 0x00003044305796E3 ; "難しい\0" (Japanese is hard)
|
|
dq 0x8888888888888888
|
|
dq 0x9999999999999999
|
|
|
|
.indices:
|
|
dq 0x0000000000000000
|
|
dq 0x0000000000000000
|
|
dq 0x0000000000000000
|
|
dq 0x0000000000000000
|
|
|
|
.flags:
|
|
dq 0x0000000000000000
|
|
dq 0x0000000000000000
|
|
dq 0x0000000000000000
|
|
dq 0x0000000000000000
|