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|
#include "PowerPC_EABI_Support/Runtime/Inc/runtime.h"
#include "global.h"
#ifdef __cplusplus
extern "C" {
#endif
/* macros for GPR/FPR resting and saving */
#define SAVE_FPR(reg) _savefpr_##reg
#define RESTORE_FPR(reg) _restfpr_##reg
#define SAVE_GPR(reg) _savegpr_##reg
#define RESTORE_GPR(reg) _restgpr_##reg
#define ENTRY_SAVE_FPR(reg) entry SAVE_FPR(reg)
#define ENTRY_RESTORE_FPR(reg) entry RESTORE_FPR(reg)
#define ENTRY_SAVE_GPR(reg) entry SAVE_GPR(reg)
#define ENTRY_RESTORE_GPR(reg) entry RESTORE_GPR(reg)
#define save_restore_reg r11
ASM void __div2u(void);
ASM void __div2i(void);
ASM void __mod2u(void);
ASM void __mod2i(void);
ASM void __shl2i(void);
ASM void __shr2u(void);
ASM void __shr2i(void);
ASM void __cvt_dbl_usll(void);
void SAVE_FPR(14)(void);
void SAVE_FPR(15)(void);
void SAVE_FPR(16)(void);
void SAVE_FPR(17)(void);
void SAVE_FPR(18)(void);
void SAVE_FPR(19)(void);
void SAVE_FPR(20)(void);
void SAVE_FPR(21)(void);
void SAVE_FPR(22)(void);
void SAVE_FPR(23)(void);
void SAVE_FPR(24)(void);
void SAVE_FPR(25)(void);
void SAVE_FPR(26)(void);
void SAVE_FPR(27)(void);
void SAVE_FPR(28)(void);
void SAVE_FPR(29)(void);
void SAVE_FPR(30)(void);
void SAVE_FPR(31)(void);
void RESTORE_FPR(14)(void);
void RESTORE_FPR(15)(void);
void RESTORE_FPR(16)(void);
void RESTORE_FPR(17)(void);
void RESTORE_FPR(18)(void);
void RESTORE_FPR(19)(void);
void RESTORE_FPR(20)(void);
void RESTORE_FPR(21)(void);
void RESTORE_FPR(22)(void);
void RESTORE_FPR(23)(void);
void RESTORE_FPR(24)(void);
void RESTORE_FPR(25)(void);
void RESTORE_FPR(26)(void);
void RESTORE_FPR(27)(void);
void RESTORE_FPR(28)(void);
void RESTORE_FPR(29)(void);
void RESTORE_FPR(30)(void);
void RESTORE_FPR(31)(void);
void SAVE_GPR(14)(void);
void SAVE_GPR(15)(void);
void SAVE_GPR(16)(void);
void SAVE_GPR(17)(void);
void SAVE_GPR(18)(void);
void SAVE_GPR(19)(void);
void SAVE_GPR(20)(void);
void SAVE_GPR(21)(void);
void SAVE_GPR(22)(void);
void SAVE_GPR(23)(void);
void SAVE_GPR(24)(void);
void SAVE_GPR(25)(void);
void SAVE_GPR(26)(void);
void SAVE_GPR(27)(void);
void SAVE_GPR(28)(void);
void SAVE_GPR(29)(void);
void SAVE_GPR(30)(void);
void SAVE_GPR(31)(void);
void RESTORE_GPR(14)(void);
void RESTORE_GPR(15)(void);
void RESTORE_GPR(16)(void);
void RESTORE_GPR(17)(void);
void RESTORE_GPR(18)(void);
void RESTORE_GPR(19)(void);
void RESTORE_GPR(20)(void);
void RESTORE_GPR(21)(void);
void RESTORE_GPR(22)(void);
void RESTORE_GPR(23)(void);
void RESTORE_GPR(24)(void);
void RESTORE_GPR(25)(void);
void RESTORE_GPR(26)(void);
void RESTORE_GPR(27)(void);
void RESTORE_GPR(28)(void);
void RESTORE_GPR(29)(void);
void RESTORE_GPR(30)(void);
void RESTORE_GPR(31)(void);
static const u32 __constants[] = {
0x00000000, 0x00000000, 0x41F00000, 0x00000000, 0x41E00000, 0x00000000,
};
ASM u32 __cvt_fp2unsigned(register f64 d)
{
#ifdef __MWERKS__ // clang-format off
nofralloc
stwu r1,-16(r1)
lis r4, __constants@h
ori r4, r4, __constants@l
li r3,0
lfd fp0,0(r4)
lfd fp3,8(r4)
lfd fp4,16(r4)
fcmpu cr0,fp1,fp0
fcmpu cr6,fp1,fp3
blt cr0, @exit
addi r3,r3,-1
bge cr6,@exit
fcmpu cr7,fp1,fp4
fmr fp2,fp1
blt cr7,@1
fsub fp2,fp1,fp4
@1 fctiwz fp2,fp2
stfd fp2,8(r1)
lwz r3,12(r1)
blt cr7,@exit
addis r3,r3,-0x8000
@exit:
addi r1,r1,16
blr
#endif // clang-format on
}
ASM static void __save_fpr(void) {
#ifdef __MWERKS__ // clang-format off
nofralloc
stfd fp14,-144(save_restore_reg)
stfd fp15,-136(save_restore_reg)
stfd fp16,-128(save_restore_reg)
stfd fp17,-120(save_restore_reg)
ENTRY_SAVE_FPR(18)
stfd fp18,-112(save_restore_reg)
ENTRY_SAVE_FPR(19)
stfd fp19,-104(save_restore_reg)
ENTRY_SAVE_FPR(20)
stfd fp20,-96(save_restore_reg)
ENTRY_SAVE_FPR(21)
stfd fp21,-88(save_restore_reg)
ENTRY_SAVE_FPR(22)
stfd fp22,-80(save_restore_reg)
ENTRY_SAVE_FPR(23)
stfd fp23,-72(save_restore_reg)
ENTRY_SAVE_FPR(24)
stfd fp24,-64(save_restore_reg)
ENTRY_SAVE_FPR(25)
stfd fp25,-56(save_restore_reg)
ENTRY_SAVE_FPR(26)
stfd fp26,-48(save_restore_reg)
ENTRY_SAVE_FPR(27)
stfd fp27,-40(save_restore_reg)
ENTRY_SAVE_FPR(28)
stfd fp28,-32(save_restore_reg)
ENTRY_SAVE_FPR(29)
stfd fp29,-24(save_restore_reg)
ENTRY_SAVE_FPR(30)
stfd fp30,-16(save_restore_reg)
stfd fp31,-8(save_restore_reg)
blr
#endif // clang-format on
}
ASM static void __restore_fpr(void) {
#ifdef __MWERKS__ // clang-format off
nofralloc
lfd fp14,-144(save_restore_reg)
lfd fp15,-136(save_restore_reg)
lfd fp16,-128(save_restore_reg)
lfd fp17,-120(save_restore_reg)
ENTRY_RESTORE_FPR(18)
lfd fp18,-112(save_restore_reg)
ENTRY_RESTORE_FPR(19)
lfd fp19,-104(save_restore_reg)
ENTRY_RESTORE_FPR(20)
lfd fp20,-96(save_restore_reg)
ENTRY_RESTORE_FPR(21)
lfd fp21,-88(save_restore_reg)
ENTRY_RESTORE_FPR(22)
lfd fp22,-80(save_restore_reg)
ENTRY_RESTORE_FPR(23)
lfd fp23,-72(save_restore_reg)
ENTRY_RESTORE_FPR(24)
lfd fp24,-64(save_restore_reg)
ENTRY_RESTORE_FPR(25)
lfd fp25,-56(save_restore_reg)
ENTRY_RESTORE_FPR(26)
lfd fp26,-48(save_restore_reg)
ENTRY_RESTORE_FPR(27)
lfd fp27,-40(save_restore_reg)
ENTRY_RESTORE_FPR(28)
lfd fp28,-32(save_restore_reg)
ENTRY_RESTORE_FPR(29)
lfd fp29,-24(save_restore_reg)
ENTRY_RESTORE_FPR(30)
lfd fp30,-16(save_restore_reg)
lfd fp31,-8(save_restore_reg)
blr
#endif // clang-format on
}
ASM static void __save_gpr(void) {
#ifdef __MWERKS__ // clang-format off
nofralloc
ENTRY_SAVE_GPR(14)
stw r14,-72(save_restore_reg)
ENTRY_SAVE_GPR(15)
stw r15,-68(save_restore_reg)
ENTRY_SAVE_GPR(16)
stw r16,-64(save_restore_reg)
ENTRY_SAVE_GPR(17)
stw r17,-60(save_restore_reg)
ENTRY_SAVE_GPR(18)
stw r18,-56(save_restore_reg)
ENTRY_SAVE_GPR(19)
stw r19,-52(save_restore_reg)
ENTRY_SAVE_GPR(20)
stw r20,-48(save_restore_reg)
ENTRY_SAVE_GPR(21)
stw r21,-44(save_restore_reg)
ENTRY_SAVE_GPR(22)
stw r22,-40(save_restore_reg)
ENTRY_SAVE_GPR(23)
stw r23,-36(save_restore_reg)
ENTRY_SAVE_GPR(24)
stw r24,-32(save_restore_reg)
ENTRY_SAVE_GPR(25)
stw r25,-28(save_restore_reg)
ENTRY_SAVE_GPR(26)
stw r26,-24(save_restore_reg)
ENTRY_SAVE_GPR(27)
stw r27,-20(save_restore_reg)
ENTRY_SAVE_GPR(28)
stw r28,-16(save_restore_reg)
ENTRY_SAVE_GPR(29)
stw r29,-12(save_restore_reg)
stw r30,-8(save_restore_reg)
stw r31,-4(save_restore_reg)
blr
#endif // clang-format on
}
ASM static void __restore_gpr(void) {
#ifdef __MWERKS__ // clang-format off
nofralloc
ENTRY_RESTORE_GPR(14)
lwz r14,-72(save_restore_reg)
ENTRY_RESTORE_GPR(15)
lwz r15,-68(save_restore_reg)
ENTRY_RESTORE_GPR(16)
lwz r16,-64(save_restore_reg)
ENTRY_RESTORE_GPR(17)
lwz r17,-60(save_restore_reg)
ENTRY_RESTORE_GPR(18)
lwz r18,-56(save_restore_reg)
ENTRY_RESTORE_GPR(19)
lwz r19,-52(save_restore_reg)
ENTRY_RESTORE_GPR(20)
lwz r20,-48(save_restore_reg)
ENTRY_RESTORE_GPR(21)
lwz r21,-44(save_restore_reg)
ENTRY_RESTORE_GPR(22)
lwz r22,-40(save_restore_reg)
ENTRY_RESTORE_GPR(23)
lwz r23,-36(save_restore_reg)
ENTRY_RESTORE_GPR(24)
lwz r24,-32(save_restore_reg)
ENTRY_RESTORE_GPR(25)
lwz r25,-28(save_restore_reg)
ENTRY_RESTORE_GPR(26)
lwz r26,-24(save_restore_reg)
ENTRY_RESTORE_GPR(27)
lwz r27,-20(save_restore_reg)
ENTRY_RESTORE_GPR(28)
lwz r28,-16(save_restore_reg)
ENTRY_RESTORE_GPR(29)
lwz r29,-12(save_restore_reg)
lwz r30,-8(save_restore_reg)
lwz r31,-4(save_restore_reg)
blr
#endif // clang-format on
}
ASM void __div2u(void) {
#ifdef __MWERKS__ // clang-format off
nofralloc
cmpwi cr0,r3,0
cntlzw r0,r3
cntlzw r9,r4
bne cr0,lab1
addi r0,r9,32
lab1:
cmpwi cr0,r5,0
cntlzw r9,r5
cntlzw r10,r6
bne cr0,lab2
addi r9,r10,32
lab2:
cmpw cr0,r0,r9
subfic r10,r0,64
bgt cr0,lab9
addi r9,r9,1
subfic r9,r9,64
add r0,r0,r9
subf r9,r9,r10
mtctr r9
cmpwi cr0,r9,32
addi r7,r9,-32
blt cr0,lab3
srw r8,r3,r7
li r7,0
b lab4
lab3:
srw r8,r4,r9
subfic r7,r9,32
slw r7,r3,r7
or r8,r8,r7
srw r7,r3,r9
lab4:
cmpwi cr0,r0,32
addic r9,r0,-32
blt cr0,lab5
slw r3,r4,r9
li r4,0
b lab6
lab5:
slw r3,r3,r0
subfic r9,r0,32
srw r9,r4,r9
or r3,r3,r9
slw r4,r4,r0
lab6:
li r10,-1
addic r7,r7,0
lab7:
adde r4,r4,r4
adde r3,r3,r3
adde r8,r8,r8
adde r7,r7,r7
subfc r0,r6,r8
subfe. r9,r5,r7
blt cr0,lab8
mr r8,r0
mr r7,r9
addic r0,r10,1
lab8:
bdnz lab7
adde r4,r4,r4
adde r3,r3,r3
blr
lab9:
li r4,0
li r3,0
blr
#endif // clang-format on
}
ASM void __div2i(void) {
#ifdef __MWERKS__ // clang-format off
nofralloc
stwu r1,-16(r1)
rlwinm. r9,r3,0,0,0
beq cr0,positive1
subfic r4,r4,0
subfze r3,r3
positive1:
stw r9,8(r1)
rlwinm. r10,r5,0,0,0
beq cr0,positive2
subfic r6,r6,0
subfze r5,r5
positive2:
stw r10,12(r1)
cmpwi cr0,r3,0
cntlzw r0,r3
cntlzw r9,r4
bne cr0,lab1
addi r0,r9,32
lab1:
cmpwi cr0,r5,0
cntlzw r9,r5
cntlzw r10,r6
bne cr0,lab2
addi r9,r10,32
lab2:
cmpw cr0,r0,r9
subfic r10,r0,64
bgt cr0,lab9
addi r9,r9,1
subfic r9,r9,64
add r0,r0,r9
subf r9,r9,r10
mtctr r9
cmpwi cr0,r9,32
addi r7,r9,-32
blt cr0,lab3
srw r8,r3,r7
li r7,0
b lab4
lab3:
srw r8,r4,r9
subfic r7,r9,32
slw r7,r3,r7
or r8,r8,r7
srw r7,r3,r9
lab4:
cmpwi cr0,r0,32
addic r9,r0,-32
blt cr0,lab5
slw r3,r4,r9
li r4,0
b lab6
lab5:
slw r3,r3,r0
subfic r9,r0,32
srw r9,r4,r9
or r3,r3,r9
slw r4,r4,r0
lab6:
li r10,-1
addic r7,r7,0
lab7:
adde r4,r4,r4
adde r3,r3,r3
adde r8,r8,r8
adde r7,r7,r7
subfc r0,r6,r8
subfe. r9,r5,r7
blt cr0,lab8
mr r8,r0
mr r7,r9
addic r0,r10,1
lab8:
bdnz lab7
adde r4,r4,r4
adde r3,r3,r3
lwz r9,8(r1)
lwz r10,12(r1)
xor. r7,r9,r10
beq cr0,no_adjust
cmpwi cr0,r9,0
subfic r4,r4,0
subfze r3,r3
no_adjust:
b func_end
lab9:
li r4,0
li r3,0
func_end:
addi r1,r1,16
blr
#endif // clang-format on
}
ASM void __mod2u(void) {
#ifdef __MWERKS__ // clang-format off
nofralloc
cmpwi cr0,r3,0
cntlzw r0,r3
cntlzw r9,r4
bne cr0,lab1
addi r0,r9,32
lab1:
cmpwi cr0,r5,0
cntlzw r9,r5
cntlzw r10,r6
bne cr0,lab2
addi r9,r10,32
lab2:
cmpw cr0,r0,r9
subfic r10,r0,64
bgt cr0,lab9
addi r9,r9,1
subfic r9,r9,64
add r0,r0,r9
subf r9,r9,r10
mtctr r9
cmpwi cr0,r9,32
addi r7,r9,-32
blt cr0,lab3
srw r8,r3,r7
li r7,0
b lab4
lab3:
srw r8,r4,r9
subfic r7,r9,32
slw r7,r3,r7
or r8,r8,r7
srw r7,r3,r9
lab4:
cmpwi cr0,r0,32
addic r9,r0,-32
blt cr0,lab5
slw r3,r4,r9
li r4,0
b lab6
lab5:
slw r3,r3,r0
subfic r9,r0,32
srw r9,r4,r9
or r3,r3,r9
slw r4,r4,r0
lab6:
li r10,-1
addic r7,r7,0
lab7:
adde r4,r4,r4
adde r3,r3,r3
adde r8,r8,r8
adde r7,r7,r7
subfc r0,r6,r8
subfe. r9,r5,r7
blt cr0,lab8
mr r8,r0
mr r7,r9
addic r0,r10,1
lab8:
bdnz lab7
mr r4,r8
mr r3,r7
blr
lab9:
blr
#endif // clang-format on
}
ASM void __mod2i(void) {
#ifdef __MWERKS__ // clang-format off
nofralloc
cmpwi cr7,r3,0
bge cr7,positive1
subfic r4,r4,0
subfze r3,r3
positive1:
cmpwi cr0,r5,0
bge cr0,positive2
subfic r6,r6,0
subfze r5,r5
positive2:
cmpwi cr0,r3,0
cntlzw r0,r3
cntlzw r9,r4
bne cr0,lab1
addi r0,r9,32
lab1:
cmpwi cr0,r5,0
cntlzw r9,r5
cntlzw r10,r6
bne cr0,lab2
addi r9,r10,32
lab2:
cmpw cr0,r0,r9
subfic r10,r0,64
bgt cr0,lab9
addi r9,r9,1
subfic r9,r9,64
add r0,r0,r9
subf r9,r9,r10
mtctr r9
cmpwi cr0,r9,32
addi r7,r9,-32
blt cr0,lab3
srw r8,r3,r7
li r7,0
b lab4
lab3:
srw r8,r4,r9
subfic r7,r9,32
slw r7,r3,r7
or r8,r8,r7
srw r7,r3,r9
lab4:
cmpwi cr0,r0,32
addic r9,r0,-32
blt cr0,lab5
slw r3,r4,r9
li r4,0
b lab6
lab5:
slw r3,r3,r0
subfic r9,r0,32
srw r9,r4,r9
or r3,r3,r9
slw r4,r4,r0
lab6:
li r10,-1
addic r7,r7,0
lab7:
adde r4,r4,r4
adde r3,r3,r3
adde r8,r8,r8
adde r7,r7,r7
subfc r0,r6,r8
subfe. r9,r5,r7
blt cr0,lab8
mr r8,r0
mr r7,r9
addic r0,r10,1
lab8:
bdnz lab7
mr r4,r8
mr r3,r7
lab9:
bge cr7,no_adjust
subfic r4,r4,0
subfze r3,r3
no_adjust:
blr
#endif // clang-format on
}
ASM void __shl2i(void) {
#ifdef __MWERKS__ // clang-format off
nofralloc
subfic r8,r5,32
subic r9,r5,32
slw r3,r3,r5
srw r10,r4,r8
or r3,r3,r10
slw r10,r4,r9
or r3,r3,r10
slw r4,r4,r5
blr
#endif // clang-format on
}
ASM void __shr2u(void) {
#ifdef __MWERKS__ // clang-format off
nofralloc
subfic r8,r5,32
subic r9,r5,32
srw r4,r4,r5
slw r10,r3,r8
or r4,r4,r10
srw r10,r3,r9
or r4,r4,r10
srw r3,r3,r5
blr
#endif // clang-format on
}
ASM void __shr2i(void) {
#ifdef __MWERKS__ // clang-format off
nofralloc
subfic r8, r5, 0x20
addic. r9, r5, -0x20
srw r4, r4, r5
slw r10, r3, r8
or r4, r4, r10
sraw r10, r3, r9
ble around
or r4, r4, r10
around:
sraw r3, r3, r5
blr
#endif // clang-format on
}
ASM void __cvt_dbl_usll(void)
{
#ifdef __MWERKS__ // clang-format off
nofralloc
stwu r1,-16(r1)
stfd f1,8(r1)
lwz r3,8(r1)
lwz r4,12(r1)
rlwinm r5,r3,12,21,31
cmpli cr0,0,r5,1023
bge cr0,not_fraction
li r3,0
li r4,0
b func_end
not_fraction:
mr r6,r3
rlwinm r3,r3,0,12,31
oris r3,r3,0x0010
addi r5,r5,-1075
cmpwi cr0,r5,0
bge cr0,left
neg r5,r5
subfic r8,r5,32
subic r9,r5,32
srw r4,r4,r5
slw r10,r3,r8
or r4,r4,r10
srw r10,r3,r9
or r4,r4,r10
srw r3,r3,r5
b around
left:
cmpwi cr0,r5,10
ble+ no_overflow
rlwinm. r6,r6,0,0,0
beq cr0,max_positive
lis r3,0x8000
li r4,0
b func_end
max_positive:
lis r3,0x7FFF
ori r3,r3,0xFFFF
li r4,-1
b func_end
no_overflow:
subfic r8,r5,32
subic r9,r5,32
slw r3,r3,r5
srw r10,r4,r8
or r3,r3,r10
slw r10,r4,r9
or r3,r3,r10
slw r4,r4,r5
around:
rlwinm. r6,r6,0,0,0
beq cr0,positive
subfic r4,r4,0
subfze r3,r3
positive:
func_end:
addi r1,r1,16
blr
#endif // clang-format on
}
#ifdef __cplusplus
}
#endif
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