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// 7zAsm.S -- ASM macros for arm64
// 2021-04-25 : Igor Pavlov : Public domain
#define r0 x0
#define r1 x1
#define r2 x2
#define r3 x3
#define r4 x4
#define r5 x5
#define r6 x6
#define r7 x7
#define r8 x8
#define r9 x9
#define r10 x10
#define r11 x11
#define r12 x12
#define r13 x13
#define r14 x14
#define r15 x15
#define r16 x16
#define r17 x17
#define r18 x18
#define r19 x19
#define r20 x20
#define r21 x21
#define r22 x22
#define r23 x23
#define r24 x24
#define r25 x25
#define r26 x26
#define r27 x27
#define r28 x28
#define r29 x29
#define r30 x30
#define REG_ABI_PARAM_0 r0
#define REG_ABI_PARAM_1 r1
#define REG_ABI_PARAM_2 r2
.macro p2_add reg:req, param:req
add \reg, \reg, \param
.endm
.macro p2_sub reg:req, param:req
sub \reg, \reg, \param
.endm
.macro p2_sub_s reg:req, param:req
subs \reg, \reg, \param
.endm
.macro p2_and reg:req, param:req
and \reg, \reg, \param
.endm
.macro xor reg:req, param:req
eor \reg, \reg, \param
.endm
.macro or reg:req, param:req
orr \reg, \reg, \param
.endm
.macro shl reg:req, param:req
lsl \reg, \reg, \param
.endm
.macro shr reg:req, param:req
lsr \reg, \reg, \param
.endm
.macro sar reg:req, param:req
asr \reg, \reg, \param
.endm
.macro p1_neg reg:req
neg \reg, \reg
.endm
.macro dec reg:req
sub \reg, \reg, 1
.endm
.macro dec_s reg:req
subs \reg, \reg, 1
.endm
.macro inc reg:req
add \reg, \reg, 1
.endm
.macro inc_s reg:req
adds \reg, \reg, 1
.endm
.macro imul reg:req, param:req
mul \reg, \reg, \param
.endm
/*
arm64 and arm use reverted c flag after subs/cmp instructions:
arm64-arm : x86
b.lo / b.cc : jb / jc
b.hs / b.cs : jae / jnc
*/
.macro jmp lab:req
b \lab
.endm
.macro je lab:req
b.eq \lab
.endm
.macro jz lab:req
b.eq \lab
.endm
.macro jnz lab:req
b.ne \lab
.endm
.macro jne lab:req
b.ne \lab
.endm
.macro jb lab:req
b.lo \lab
.endm
.macro jbe lab:req
b.ls \lab
.endm
.macro ja lab:req
b.hi \lab
.endm
.macro jae lab:req
b.hs \lab
.endm
.macro cmove dest:req, srcTrue:req
csel \dest, \srcTrue, \dest, eq
.endm
.macro cmovne dest:req, srcTrue:req
csel \dest, \srcTrue, \dest, ne
.endm
.macro cmovs dest:req, srcTrue:req
csel \dest, \srcTrue, \dest, mi
.endm
.macro cmovns dest:req, srcTrue:req
csel \dest, \srcTrue, \dest, pl
.endm
.macro cmovb dest:req, srcTrue:req
csel \dest, \srcTrue, \dest, lo
.endm
.macro cmovae dest:req, srcTrue:req
csel \dest, \srcTrue, \dest, hs
.endm
.macro MY_ALIGN_16 macro
.p2align 4,, (1 << 4) - 1
.endm
.macro MY_ALIGN_32 macro
.p2align 5,, (1 << 5) - 1
.endm
.macro MY_ALIGN_64 macro
.p2align 6,, (1 << 6) - 1
.endm
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