mirror of https://repo.or.cz/tinycc.git
859 lines
18 KiB
ArmAsm
859 lines
18 KiB
ArmAsm
/* ---------------------------------------------- */
|
|
/* This file implements for arm/arm64/riscv:
|
|
* __atomic_compare_exchange_1
|
|
* __atomic_compare_exchange_2
|
|
* __atomic_compare_exchange_4
|
|
* __atomic_compare_exchange_8
|
|
*/
|
|
|
|
#ifdef __leading_underscore
|
|
# define _(s) _##s
|
|
#else
|
|
# define _(s) s
|
|
#endif
|
|
|
|
#if defined __i386__
|
|
.text
|
|
.align 2
|
|
|
|
.global _(__atomic_test_and_set)
|
|
.type _(__atomic_test_and_set), %function
|
|
_(__atomic_test_and_set):
|
|
movl 4(%esp), %edx
|
|
movl $1, %eax
|
|
xchgb (%edx), %al
|
|
ret
|
|
.size _(__atomic_test_and_set), .-_(__atomic_test_and_set)
|
|
|
|
.global _(__atomic_clear)
|
|
.type _(__atomic_clear), %function
|
|
_(__atomic_clear):
|
|
movl 4(%esp), %edx
|
|
xorl %eax, %eax
|
|
xchgb (%edx), %al
|
|
ret
|
|
.size _(__atomic_clear), .-_(__atomic_clear)
|
|
|
|
#elif defined __x86_64__
|
|
.text
|
|
.align 2
|
|
|
|
.global _(__atomic_test_and_set)
|
|
.type _(__atomic_test_and_set), %function
|
|
_(__atomic_test_and_set):
|
|
movl $1, %eax
|
|
xchgb (%rdi), %al
|
|
ret
|
|
.size _(__atomic_test_and_set), .-_(__atomic_test_and_set)
|
|
|
|
.global _(__atomic_clear)
|
|
.type _(__atomic_clear), %function
|
|
_(__atomic_clear):
|
|
xorl %eax, %eax
|
|
xchgb (%rdi), %al
|
|
ret
|
|
.size _(__atomic_clear), .-_(__atomic_clear)
|
|
|
|
#elif defined __arm__
|
|
|
|
#ifndef __TINYC__
|
|
.arch armv6k
|
|
.syntax unified
|
|
#endif
|
|
.text
|
|
.align 2
|
|
|
|
.global _(fetch_and_add_arm)
|
|
.type _(fetch_and_add_arm), %function
|
|
_(fetch_and_add_arm):
|
|
mcr p15, #0, r0, c7, c10, #5
|
|
.L0:
|
|
ldrex r3, [r0]
|
|
add r3, r3, r1
|
|
strex r2, r3, [r0]
|
|
cmp r2, #0
|
|
bne .L0
|
|
mcr p15, #0, r0, c7, c10, #5
|
|
bx lr
|
|
.size _(fetch_and_add_arm), .-_(fetch_and_add_arm)
|
|
|
|
.global _(__atomic_test_and_set)
|
|
.type _(__atomic_test_and_set), %function
|
|
_(__atomic_test_and_set):
|
|
#ifdef __TINYC__
|
|
.int 0xe92d4030
|
|
.int 0xee070fba
|
|
.int 0xe5d03000
|
|
.int 0xe24dd014
|
|
.int 0xe1a05000
|
|
.int 0xe2533000
|
|
.int 0xe1a04001
|
|
.int 0x13a03001
|
|
.int 0xee070fba
|
|
.int 0xe5cd300f
|
|
.int 0xe3a03001
|
|
.int 0xe1a02003
|
|
.int 0xe28d100f
|
|
.int 0xe1a00005
|
|
.int 0xe58d4004
|
|
.int 0xe58d4000
|
|
.int 0xeb000009
|
|
.int 0xe3500000
|
|
.int 0x0afffff6
|
|
.int 0xe5dd000f
|
|
.int 0xe28dd014
|
|
.int 0xe8bd8030
|
|
#else
|
|
push {r4, r5, lr}
|
|
mcr p15, 0, r0, c7, c10, 5
|
|
ldrb r3, [r0]
|
|
sub sp, sp, #20
|
|
mov r5, r0
|
|
subs r3, r3, #0
|
|
mov r4, r1
|
|
movne r3, #1
|
|
mcr p15, 0, r0, c7, c10, 5
|
|
strb r3, [sp, #15]
|
|
.L20:
|
|
mov r3, #1
|
|
mov r2, r3
|
|
add r1, sp, #15
|
|
mov r0, r5
|
|
str r4, [sp, #4]
|
|
str r4, [sp]
|
|
bl __atomic_compare_exchange_1
|
|
cmp r0, #0
|
|
beq .L20
|
|
ldrb r0, [sp, #15]
|
|
add sp, sp, #20
|
|
pop {r4, r5, pc}
|
|
#endif
|
|
.size _(__atomic_test_and_set), .-_(__atomic_test_and_set)
|
|
|
|
.global _(__atomic_clear)
|
|
.type _(__atomic_clear), %function
|
|
_(__atomic_clear):
|
|
#ifdef __TINYC__
|
|
.int 0xe3a03000
|
|
.int 0xee070fba
|
|
.int 0xe5c03000
|
|
.int 0xee070fba
|
|
.int 0xe12fff1e
|
|
#else
|
|
mov r3, #0
|
|
mcr p15, 0, r0, c7, c10, 5
|
|
strb r3, [r0]
|
|
mcr p15, 0, r0, c7, c10, 5
|
|
bx lr
|
|
#endif
|
|
.size _(__atomic_clear), .-_(__atomic_clear)
|
|
|
|
.global _(__atomic_compare_exchange_1)
|
|
.type _(__atomic_compare_exchange_1), %function
|
|
_(__atomic_compare_exchange_1):
|
|
#ifdef __TINYC__
|
|
.int 0xe52de004
|
|
.int 0xe5d13000
|
|
.int 0xf57ff05b
|
|
.int 0xe1d0cf9f
|
|
.int 0xe15c0003
|
|
.int 0x1a000002
|
|
.int 0xe1c0ef92
|
|
.int 0xe35e0000
|
|
.int 0x1afffff9
|
|
.int 0x03a00001
|
|
.int 0x13a00000
|
|
.int 0xf57ff05b
|
|
.int 0x15c1c000
|
|
.int 0xe49df004
|
|
#else
|
|
str lr, [sp, #-4]!
|
|
ldrb r3, [r1]
|
|
mcr p15, 0, r0, c7, c10, 5
|
|
.L1:
|
|
ldrexb ip, [r0]
|
|
cmp ip, r3
|
|
bne .L2
|
|
strexb lr, r2, [r0]
|
|
cmp lr, #0
|
|
bne .L1
|
|
.L2:
|
|
mcr p15, 0, r0, c7, c10, 5
|
|
moveq r0, #1
|
|
movne r0, #0
|
|
strbne ip, [r1]
|
|
ldr pc, [sp], #4
|
|
#endif
|
|
.size _(__atomic_compare_exchange_1), .-_(__atomic_compare_exchange_1)
|
|
|
|
.global _(__atomic_compare_exchange_2)
|
|
.type _(__atomic_compare_exchange_2), %function
|
|
_(__atomic_compare_exchange_2):
|
|
#ifdef __TINYC__
|
|
.int 0xe52de004
|
|
.int 0xe1d130b0
|
|
.int 0xf57ff05b
|
|
.int 0xe1f0cf9f
|
|
.int 0xe15c0003
|
|
.int 0x1a000002
|
|
.int 0xe1e0ef92
|
|
.int 0xe35e0000
|
|
.int 0x1afffff9
|
|
.int 0x03a00001
|
|
.int 0x13a00000
|
|
.int 0xf57ff05b
|
|
.int 0x11c1c0b0
|
|
.int 0xe49df004
|
|
#else
|
|
str lr, [sp, #-4]!
|
|
ldrh r3, [r1]
|
|
mcr p15, 0, r0, c7, c10, 5
|
|
.L3:
|
|
ldrexh ip, [r0]
|
|
cmp ip, r3
|
|
bne .L4
|
|
strexh lr, r2, [r0]
|
|
cmp lr, #0
|
|
bne .L3
|
|
.L4:
|
|
mcr p15, 0, r0, c7, c10, 5
|
|
moveq r0, #1
|
|
movne r0, #0
|
|
strhne ip, [r1]
|
|
ldr pc, [sp], #4
|
|
#endif
|
|
.size _(__atomic_compare_exchange_2), .-_(__atomic_compare_exchange_2)
|
|
|
|
.global _(__atomic_compare_exchange_4)
|
|
.type _(__atomic_compare_exchange_4), %function
|
|
_(__atomic_compare_exchange_4):
|
|
#ifdef __TINYC__
|
|
.int 0xe52de004
|
|
.int 0xe5913000
|
|
.int 0xf57ff05b
|
|
.int 0xe190cf9f
|
|
.int 0xe15c0003
|
|
.int 0x1a000002
|
|
.int 0xe180ef92
|
|
.int 0xe35e0000
|
|
.int 0x1afffff9
|
|
.int 0x03a00001
|
|
.int 0x13a00000
|
|
.int 0xf57ff05b
|
|
.int 0x1581c000
|
|
.int 0xe49df004
|
|
#else
|
|
str lr, [sp, #-4]!
|
|
ldr r3, [r1]
|
|
mcr p15, 0, r0, c7, c10, 5
|
|
.L5:
|
|
ldrex ip, [r0]
|
|
cmp ip, r3
|
|
bne .L6
|
|
strex lr, r2, [r0]
|
|
cmp lr, #0
|
|
bne .L5
|
|
.L6:
|
|
mcr p15, 0, r0, c7, c10, 5
|
|
moveq r0, #1
|
|
movne r0, #0
|
|
strne ip, [r1]
|
|
ldr pc, [sp], #4
|
|
#endif
|
|
.size _(__atomic_compare_exchange_4), .-_(__atomic_compare_exchange_4)
|
|
|
|
/* ---------------------------------------------- */
|
|
#elif defined __aarch64__
|
|
|
|
.text
|
|
.align 2
|
|
|
|
.global _(fetch_and_add_arm64)
|
|
.type _(fetch_and_add_arm64), %function
|
|
_(fetch_and_add_arm64):
|
|
#ifdef __TINYC__
|
|
.int 0x885f7c02
|
|
.int 0x0b010042
|
|
.int 0x8803fc02
|
|
.int 0x35ffffa3
|
|
.int 0xd5033bbf
|
|
.int 0xd65f03c0
|
|
#else
|
|
ldxr w2, [x0]
|
|
add w2, w2, w1
|
|
stlxr w3, w2, [x0]
|
|
cbnz w3, _(fetch_and_add_arm64)
|
|
dmb ish
|
|
ret
|
|
#endif
|
|
.size _(fetch_and_add_arm64), .-_(fetch_and_add_arm64)
|
|
|
|
.global _(__atomic_test_and_set)
|
|
.type _(__atomic_test_and_set), %function
|
|
_(__atomic_test_and_set):
|
|
#ifdef __TINYC__
|
|
.int 0xa9bf7bfd
|
|
.int 0xaa0003e1
|
|
.int 0x52800020
|
|
.int 0x910003fd
|
|
.int 0x2a0003f0
|
|
.int 0x085ffc20
|
|
.int 0x0811fc30
|
|
.int 0x35ffffd1
|
|
.int 0xa8c17bfd
|
|
.int 0xd65f03c0
|
|
#else
|
|
stp x29, x30, [sp, -16]!
|
|
mov x1, x0
|
|
mov w0, 1
|
|
mov x29, sp
|
|
mov w16, w0
|
|
.L20:
|
|
ldaxrb w0, [x1]
|
|
stlxrb w17, w16, [x1]
|
|
cbnz w17, .L20
|
|
ldp x29, x30, [sp], 16
|
|
ret
|
|
#endif
|
|
.size _(__atomic_test_and_set), .-_(__atomic_test_and_set)
|
|
|
|
.global _(__atomic_clear)
|
|
.type _(__atomic_clear), %function
|
|
_(__atomic_clear):
|
|
#ifdef __TINYC__
|
|
.int 0x089ffc1f
|
|
.int 0xd65f03c0
|
|
#else
|
|
stlrb wzr, [x0]
|
|
ret
|
|
#endif
|
|
.size _(__atomic_clear), .-_(__atomic_clear)
|
|
|
|
.global _(__atomic_compare_exchange_1)
|
|
.type _(__atomic_compare_exchange_1), %function
|
|
_(__atomic_compare_exchange_1):
|
|
#ifdef __TINYC__
|
|
.int 0xa9be7bfd
|
|
.int 0x910003fd
|
|
.int 0xa90153f3
|
|
.int 0xaa0103f3
|
|
.int 0x12001c41
|
|
.int 0xaa0003e2
|
|
.int 0x39400274
|
|
.int 0x2a1403e0
|
|
.int 0x53001c10
|
|
.int 0x085ffc40
|
|
.int 0x6b10001f
|
|
.int 0x54000061
|
|
.int 0x0811fc41
|
|
.int 0x35ffff91
|
|
.int 0x6b34001f
|
|
.int 0x1a9f17e1
|
|
.int 0x54000040
|
|
.int 0x39000260
|
|
.int 0x2a0103e0
|
|
.int 0xa94153f3
|
|
.int 0xa8c27bfd
|
|
.int 0xd65f03c0
|
|
#else
|
|
stp x29, x30, [sp, -32]!
|
|
mov x29, sp
|
|
stp x19, x20, [sp, 16]
|
|
mov x19, x1
|
|
and w1, w2, 255
|
|
mov x2, x0
|
|
ldrb w20, [x19]
|
|
mov w0, w20
|
|
uxtb w16, w0
|
|
.L1:
|
|
ldaxrb w0, [x2]
|
|
cmp w0, w16
|
|
b.ne .L2
|
|
stlxrb w17, w1, [x2]
|
|
cbnz w17, .L1
|
|
.L2:
|
|
cmp w0, w20, uxtb
|
|
cset w1, eq
|
|
beq .L3
|
|
strb w0, [x19]
|
|
.L3:
|
|
mov w0, w1
|
|
ldp x19, x20, [sp, 16]
|
|
ldp x29, x30, [sp], 32
|
|
ret
|
|
#endif
|
|
.size _(__atomic_compare_exchange_1), .-_(__atomic_compare_exchange_1)
|
|
|
|
.global _(__atomic_compare_exchange_2)
|
|
.type _(__atomic_compare_exchange_2), %function
|
|
_(__atomic_compare_exchange_2):
|
|
#ifdef __TINYC__
|
|
.int 0xa9be7bfd
|
|
.int 0x910003fd
|
|
.int 0xa90153f3
|
|
.int 0xaa0103f3
|
|
.int 0x12003c41
|
|
.int 0xaa0003e2
|
|
.int 0x79400274
|
|
.int 0x2a1403e0
|
|
.int 0x53003c10
|
|
.int 0x485ffc40
|
|
.int 0x6b10001f
|
|
.int 0x54000061
|
|
.int 0x4811fc41
|
|
.int 0x35ffff91
|
|
.int 0x6b34201f
|
|
.int 0x1a9f17e1
|
|
.int 0x54000040
|
|
.int 0x79000260
|
|
.int 0x2a0103e0
|
|
.int 0xa94153f3
|
|
.int 0xa8c27bfd
|
|
.int 0xd65f03c0
|
|
#else
|
|
stp x29, x30, [sp, -32]!
|
|
mov x29, sp
|
|
stp x19, x20, [sp, 16]
|
|
mov x19, x1
|
|
and w1, w2, 65535
|
|
mov x2, x0
|
|
ldrh w20, [x19]
|
|
mov w0, w20
|
|
uxth w16, w0
|
|
.L4:
|
|
ldaxrh w0, [x2]
|
|
cmp w0, w16
|
|
b.ne .L5
|
|
stlxrh w17, w1, [x2]
|
|
cbnz w17, .L4
|
|
.L5:
|
|
cmp w0, w20, uxth
|
|
cset w1, eq
|
|
beq .L6
|
|
strh w0, [x19]
|
|
.L6:
|
|
mov w0, w1
|
|
ldp x19, x20, [sp, 16]
|
|
ldp x29, x30, [sp], 32
|
|
ret
|
|
#endif
|
|
.size _(__atomic_compare_exchange_2), .-_(__atomic_compare_exchange_2)
|
|
|
|
.global _(__atomic_compare_exchange_4)
|
|
.type _(__atomic_compare_exchange_4), %function
|
|
_(__atomic_compare_exchange_4):
|
|
#ifdef __TINYC__
|
|
.int 0xa9be7bfd
|
|
.int 0x910003fd
|
|
.int 0xa90153f3
|
|
.int 0xaa0103f3
|
|
.int 0x2a0203e1
|
|
.int 0xaa0003e2
|
|
.int 0xb9400274
|
|
.int 0x2a1403e0
|
|
.int 0x2a0003f0
|
|
.int 0x885ffc40
|
|
.int 0x6b10001f
|
|
.int 0x54000061
|
|
.int 0x8811fc41
|
|
.int 0x35ffff91
|
|
.int 0x6b14001f
|
|
.int 0x1a9f17e1
|
|
.int 0x54000040
|
|
.int 0xb9000260
|
|
.int 0x2a0103e0
|
|
.int 0xa94153f3
|
|
.int 0xa8c27bfd
|
|
.int 0xd65f03c0
|
|
#else
|
|
stp x29, x30, [sp, -32]!
|
|
mov x29, sp
|
|
stp x19, x20, [sp, 16]
|
|
mov x19, x1
|
|
mov w1, w2
|
|
mov x2, x0
|
|
ldr w20, [x19]
|
|
mov w0, w20
|
|
mov w16, w0
|
|
.L7:
|
|
ldaxr w0, [x2]
|
|
cmp w0, w16
|
|
b.ne .L8
|
|
stlxr w17, w1, [x2]
|
|
cbnz w17, .L7
|
|
.L8:
|
|
cmp w0, w20
|
|
cset w1, eq
|
|
beq .L9
|
|
str w0, [x19]
|
|
.L9:
|
|
mov w0, w1
|
|
ldp x19, x20, [sp, 16]
|
|
ldp x29, x30, [sp], 32
|
|
ret
|
|
#endif
|
|
.size _(__atomic_compare_exchange_4), .-_(__atomic_compare_exchange_4)
|
|
|
|
.global _(__atomic_compare_exchange_8)
|
|
.type _(__atomic_compare_exchange_8), %function
|
|
_(__atomic_compare_exchange_8):
|
|
#ifdef __TINYC__
|
|
.int 0xa9be7bfd
|
|
.int 0x910003fd
|
|
.int 0xa90153f3
|
|
.int 0xaa0103f3
|
|
.int 0xaa0203e1
|
|
.int 0xaa0003e2
|
|
.int 0xf9400274
|
|
.int 0xaa1403e0
|
|
.int 0xaa0003f0
|
|
.int 0xc85ffc40
|
|
.int 0xeb10001f
|
|
.int 0x54000061
|
|
.int 0xc811fc41
|
|
.int 0x35ffff91
|
|
.int 0xeb14001f
|
|
.int 0x1a9f17e1
|
|
.int 0x54000040
|
|
.int 0xf9000260
|
|
.int 0x2a0103e0
|
|
.int 0xa94153f3
|
|
.int 0xa8c27bfd
|
|
.int 0xd65f03c0
|
|
#else
|
|
stp x29, x30, [sp, -32]!
|
|
mov x29, sp
|
|
stp x19, x20, [sp, 16]
|
|
mov x19, x1
|
|
mov x1, x2
|
|
mov x2, x0
|
|
ldr x20, [x19]
|
|
mov x0, x20
|
|
mov x16, x0
|
|
.L10:
|
|
ldaxr x0, [x2]
|
|
cmp x0, x16
|
|
b.ne .L11
|
|
stlxr w17, x1, [x2]
|
|
cbnz w17, .L10
|
|
.L11:
|
|
cmp x0, x20
|
|
cset w1, eq
|
|
beq .L12
|
|
str x0, [x19]
|
|
.L12:
|
|
mov w0, w1
|
|
ldp x19, x20, [sp, 16]
|
|
ldp x29, x30, [sp], 32
|
|
ret
|
|
#endif
|
|
.size _(__atomic_compare_exchange_8), .-_(__atomic_compare_exchange_8)
|
|
|
|
/* ---------------------------------------------- */
|
|
#elif defined __riscv
|
|
|
|
.text
|
|
.align 2
|
|
|
|
.global _(fetch_and_add_riscv64)
|
|
.type _(fetch_and_add_riscv64), %function
|
|
_(fetch_and_add_riscv64):
|
|
#ifdef __TINYC__
|
|
.int 0x0f50000f
|
|
.int 0x004b5202f
|
|
.short 0x8082
|
|
#else
|
|
fence iorw,ow
|
|
amoadd.w.aq zero,a1,0(a0)
|
|
ret
|
|
#endif
|
|
.size _(fetch_and_add_riscv64), .-_(fetch_and_add_riscv64)
|
|
|
|
.global _(__atomic_test_and_set)
|
|
.type _(__atomic_test_and_set), %function
|
|
_(__atomic_test_and_set):
|
|
#ifdef __TINYC__
|
|
.int 0x00357793
|
|
.int 0x0037979b
|
|
.short 0x4685
|
|
.short 0x9971
|
|
.int 0x00f696bb
|
|
.int 0x0f50000f
|
|
.int 0x44d5272f
|
|
.int 0x00f7553b
|
|
.int 0x0ff57513
|
|
.short 0x8082
|
|
#else
|
|
andi a5,a0,3
|
|
slliw a5,a5,3
|
|
li a3,1
|
|
andi a0,a0,-4
|
|
sllw a3,a3,a5
|
|
fence iorw,ow; amoor.w.aq a4,a3,0(a0)
|
|
srlw a0,a4,a5
|
|
andi a0,a0,0xff
|
|
ret
|
|
#endif
|
|
.size _(__atomic_test_and_set), .-_(__atomic_test_and_set)
|
|
|
|
.global _(__atomic_clear)
|
|
.type _(__atomic_clear), %function
|
|
_(__atomic_clear):
|
|
#ifdef __TINYC__
|
|
.int 0x0ff0000f
|
|
.int 0x00050023
|
|
.int 0x0ff0000f
|
|
.short 0x8082
|
|
#else
|
|
fence iorw,iorw
|
|
sb zero,0(a0)
|
|
fence iorw,iorw
|
|
ret
|
|
#endif
|
|
.size _(__atomic_clear), .-_(__atomic_clear)
|
|
|
|
.global _(__atomic_compare_exchange_1)
|
|
.type _(__atomic_compare_exchange_1), %function
|
|
_(__atomic_compare_exchange_1):
|
|
#ifdef __TINYC__
|
|
.short 0x1141
|
|
.short 0x86ba
|
|
.short 0x873e
|
|
.short 0xe406
|
|
.int 0x0ff0000f
|
|
.int 0x0005c803
|
|
.int 0xff857893
|
|
.int 0x0008b783
|
|
.short 0x891d
|
|
.short 0x050e
|
|
.int 0x0ff00693
|
|
.int 0x00a696b3
|
|
.int 0x00a81833
|
|
.int 0x00a61633
|
|
.int 0xfff6c713
|
|
.short 0x8f7d
|
|
.int 0x00f6f333
|
|
.short 0x8f51
|
|
.int 0x03031263
|
|
.int 0x1008b32f
|
|
.int 0x00f31663
|
|
.int 0x18e8be2f
|
|
.int 0xfe0e1ae3
|
|
.int 0x40f30733
|
|
.short 0x879a
|
|
.short 0xff69
|
|
.int 0x0ff0000f
|
|
.short 0x4505
|
|
.short 0xa801
|
|
.int 0x00a7d7b3
|
|
.int 0x00f58023
|
|
.int 0x0ff0000f
|
|
.short 0x4501
|
|
.short 0x60a2
|
|
.short 0x0141
|
|
.short 0x8082
|
|
#else
|
|
addi sp,sp,-16
|
|
mv a3,a4
|
|
mv a4,a5
|
|
sd ra,8(sp)
|
|
fence
|
|
lbu a6,0(a1)
|
|
andi a7,a0,-8
|
|
ld a5,0(a7)
|
|
andi a0,a0,7
|
|
slli a0,a0,0x3
|
|
li a3,255
|
|
sll a3,a3,a0
|
|
sll a6,a6,a0
|
|
sll a2,a2,a0
|
|
.L1:
|
|
not a4,a3
|
|
and a4,a4,a5
|
|
and t1,a3,a5
|
|
or a4,a4,a2
|
|
bne t1,a6,.L4
|
|
.L2:
|
|
lr.d t1,(a7)
|
|
bne t1,a5,.L3
|
|
sc.d t3,a4,(a7)
|
|
bnez t3,.L2
|
|
.L3:
|
|
sub a4,t1,a5
|
|
mv a5,t1
|
|
bnez a4,.L1
|
|
fence
|
|
li a0,1
|
|
j .L5
|
|
.L4:
|
|
srl a5,a5,a0
|
|
sb a5,0(a1)
|
|
fence
|
|
li a0,0
|
|
.L5:
|
|
ld ra,8(sp)
|
|
addi sp,sp,16
|
|
jr ra
|
|
#endif
|
|
.size _(__atomic_compare_exchange_1), .-_(__atomic_compare_exchange_1)
|
|
|
|
.global _(__atomic_compare_exchange_2)
|
|
.type _(__atomic_compare_exchange_2), %function
|
|
_(__atomic_compare_exchange_2):
|
|
#ifdef __TINYC__
|
|
.short 0x1141
|
|
.short 0x86ba
|
|
.short 0x873e
|
|
.short 0xe406
|
|
.int 0x0ff0000f
|
|
.int 0x0005d803
|
|
.int 0xff857893
|
|
.short 0x67c1
|
|
.short 0x891d
|
|
.int 0x0008b703
|
|
.short 0x050e
|
|
.short 0x17fd
|
|
.int 0x00a797b3
|
|
.int 0x00a81833
|
|
.int 0x00a61633
|
|
.int 0xfff7c693
|
|
.short 0x8ef9
|
|
.int 0x00e7f333
|
|
.short 0x8ed1
|
|
.int 0x03031263
|
|
.int 0x1008b32f
|
|
.int 0x00e31663
|
|
.int 0x18d8be2f
|
|
.int 0xfe0e1ae3
|
|
.int 0x40e306b3
|
|
.short 0x871a
|
|
.short 0xfee9
|
|
.int 0x0ff0000f
|
|
.short 0x4505
|
|
.short 0xa801
|
|
.int 0x00a75733
|
|
.int 0x00e59023
|
|
.int 0x0ff0000f
|
|
.short 0x4501
|
|
.short 0x60a2
|
|
.short 0x0141
|
|
.short 0x8082
|
|
#else
|
|
addi sp,sp,-16
|
|
mv a3,a4
|
|
mv a4,a5
|
|
sd ra,8(sp)
|
|
fence
|
|
lhu a6,0(a1)
|
|
andi a7,a0,-8
|
|
lui a5,0x10
|
|
andi a0,a0,7
|
|
ld a4,0(a7)
|
|
slli a0,a0,0x3
|
|
addi a5,a5,-1
|
|
sll a5,a5,a0
|
|
sll a6,a6,a0
|
|
sll a2,a2,a0
|
|
.L6:
|
|
not a3,a5
|
|
and a3,a3,a4
|
|
and t1,a5,a4
|
|
or a3,a3,a2
|
|
bne t1,a6,.L9
|
|
.L7:
|
|
lr.d t1,(a7)
|
|
bne t1,a4,.L8
|
|
sc.d t3,a3,(a7)
|
|
bnez t3,.L7
|
|
.L8:
|
|
sub a3,t1,a4
|
|
mv a4,t1
|
|
bnez a3,.L6
|
|
fence
|
|
li a0,1
|
|
j .L10
|
|
.L9:
|
|
srl a4,a4,a0
|
|
sh a4,0(a1)
|
|
fence
|
|
li a0,0
|
|
.L10:
|
|
ld ra,8(sp)
|
|
addi sp,sp,16
|
|
jr ra
|
|
#endif
|
|
.size _(__atomic_compare_exchange_2), .-_(__atomic_compare_exchange_2)
|
|
|
|
.global _(__atomic_compare_exchange_4)
|
|
.type _(__atomic_compare_exchange_4), %function
|
|
_(__atomic_compare_exchange_4):
|
|
#ifdef __TINYC__
|
|
.short 0x419c
|
|
.int 0x0f50000f
|
|
.int 0x1405272f
|
|
.int 0x00f71663
|
|
.int 0x1cc5282f
|
|
.int 0xfe081ae3
|
|
.int 0x40f707bb
|
|
.int 0x0017b513
|
|
.short 0xc391
|
|
.short 0xc198
|
|
.short 0x8905
|
|
.short 0x8082
|
|
#else
|
|
lw a5,0(a1)
|
|
fence iorw,ow;
|
|
.L11:
|
|
lr.w.aq a4,0(a0)
|
|
bne a4,a5,.L12
|
|
sc.w.aq a6,a2,0(a0)
|
|
bnez a6,.L11
|
|
.L12:
|
|
subw a5,a4,a5
|
|
seqz a0,a5
|
|
beq a5,zero,.L13
|
|
sw a4,0(a1)
|
|
.L13:
|
|
andi a0,a0,1
|
|
ret
|
|
#endif
|
|
.size _(__atomic_compare_exchange_4), .-_(__atomic_compare_exchange_4)
|
|
|
|
.global _(__atomic_compare_exchange_8)
|
|
.type _(__atomic_compare_exchange_8), %function
|
|
_(__atomic_compare_exchange_8):
|
|
#ifdef __TINYC__
|
|
.short 0x619c
|
|
.int 0x0f50000f
|
|
.int 0x1405372f
|
|
.int 0x00f71563
|
|
.int 0x1cc536af
|
|
.short 0xfaf5
|
|
.int 0x40f707b3
|
|
.int 0x0017b513
|
|
.short 0xc391
|
|
.short 0xe198
|
|
.short 0x8905
|
|
.short 0x8082
|
|
#else
|
|
ld a5,0(a1)
|
|
fence iorw,ow;
|
|
.L14:
|
|
lr.d.aq a4,0(a0)
|
|
bne a4,a5,.L15
|
|
sc.d.aq a3,a2,0(a0)
|
|
bnez a3,.L14
|
|
.L15:
|
|
sub a5,a4,a5
|
|
seqz a0,a5
|
|
beq a5,zero,.L16
|
|
sd a4,0(a1)
|
|
.L16:
|
|
andi a0,a0,1
|
|
ret
|
|
#endif
|
|
.size _(__atomic_compare_exchange_8), .-_(__atomic_compare_exchange_8)
|
|
|
|
/* ---------------------------------------------- */
|
|
#endif
|