factor/vm/cpu-x86.S

75 lines
1.8 KiB
ArmAsm
Executable File

DEF(void,primitive_fixnum_add,(void)):
mov (DS_REG),ARG0
mov -CELL_SIZE(DS_REG),ARG1
sub $CELL_SIZE,DS_REG
mov ARG1,ARITH_TEMP_1
add ARG0,ARITH_TEMP_1
jo MANGLE(overflow_fixnum_add)
mov ARITH_TEMP_1,(DS_REG)
ret
DEF(void,primitive_fixnum_subtract,(void)):
mov (DS_REG),ARG1
mov -CELL_SIZE(DS_REG),ARG0
sub $CELL_SIZE,DS_REG
mov ARG0,ARITH_TEMP_1
sub ARG1,ARITH_TEMP_1
jo MANGLE(overflow_fixnum_subtract)
mov ARITH_TEMP_1,(DS_REG)
ret
DEF(void,primitive_fixnum_multiply,(void)):
mov (DS_REG),ARITH_TEMP_1
mov ARITH_TEMP_1,DIV_RESULT
mov -CELL_SIZE(DS_REG),ARITH_TEMP_2
sar $3,ARITH_TEMP_2
sub $CELL_SIZE,DS_REG
imul ARITH_TEMP_2
jo multiply_overflow
mov DIV_RESULT,(DS_REG)
ret
multiply_overflow:
sar $3,ARITH_TEMP_1
mov ARITH_TEMP_1,ARG0
mov ARITH_TEMP_2,ARG1
jmp MANGLE(overflow_fixnum_multiply)
DEF(F_FASTCALL void,c_to_factor,(CELL quot)):
PUSH_NONVOLATILE
mov ARG0,NV_TEMP_REG
/* Create register shadow area for Win64 */
sub $32,STACK_REG
/* Save stack pointer */
lea -CELL_SIZE(STACK_REG),ARG0
call MANGLE(save_callstack_bottom)
/* Call quot-xt */
mov NV_TEMP_REG,ARG0
call *QUOT_XT_OFFSET(ARG0)
/* Tear down register shadow area */
add $32,STACK_REG
POP_NONVOLATILE
ret
DEF(F_FASTCALL void,throw_impl,(CELL quot, F_STACK_FRAME *rewind_to)):
/* rewind_to */
mov ARG1,STACK_REG
jmp *QUOT_XT_OFFSET(ARG0)
DEF(FASTCALL void,lazy_jit_compile,(CELL quot)):
mov STACK_REG,ARG1 /* Save stack pointer */
sub $STACK_PADDING,STACK_REG
call MANGLE(lazy_jit_compile_impl)
mov RETURN_REG,ARG0 /* No-op on 32-bit */
add $STACK_PADDING,STACK_REG
jmp *QUOT_XT_OFFSET(ARG0) /* Call the quotation */
#ifdef WINDOWS
.section .drectve
.ascii " -export:c_to_factor"
#endif