111 lines
2.3 KiB
ArmAsm
111 lines
2.3 KiB
ArmAsm
DEF(void,primitive_fixnum_add,(void)):
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mov (DS_REG),ARG0
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mov -CELL_SIZE(DS_REG),ARG1
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sub $CELL_SIZE,DS_REG
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mov ARG1,ARITH_TEMP_1
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add ARG0,ARITH_TEMP_1
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jo MANGLE(overflow_fixnum_add)
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mov ARITH_TEMP_1,(DS_REG)
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ret
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DEF(void,primitive_fixnum_subtract,(void)):
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mov (DS_REG),ARG1
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mov -CELL_SIZE(DS_REG),ARG0
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sub $CELL_SIZE,DS_REG
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mov ARG0,ARITH_TEMP_1
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sub ARG1,ARITH_TEMP_1
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jo MANGLE(overflow_fixnum_subtract)
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mov ARITH_TEMP_1,(DS_REG)
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ret
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DEF(void,primitive_fixnum_multiply,(void)):
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mov (DS_REG),ARITH_TEMP_1
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mov ARITH_TEMP_1,DIV_RESULT
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mov -CELL_SIZE(DS_REG),ARITH_TEMP_2
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sar $3,ARITH_TEMP_2
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sub $CELL_SIZE,DS_REG
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imul ARITH_TEMP_2
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jo multiply_overflow
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mov DIV_RESULT,(DS_REG)
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ret
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multiply_overflow:
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sar $3,ARITH_TEMP_1
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mov ARITH_TEMP_1,ARG0
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mov ARITH_TEMP_2,ARG1
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jmp MANGLE(overflow_fixnum_multiply)
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DEF(F_FASTCALL void,c_to_factor,(CELL quot, void *vm)):
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PUSH_NONVOLATILE
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mov ARG0,NV_TEMP_REG
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/* Create register shadow area for Win64 */
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sub $32,STACK_REG
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/* Save stack pointer */
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lea -CELL_SIZE(STACK_REG),ARG0
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push ARG1 /* save vm ptr */
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call MANGLE(save_callstack_bottom)
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pop ARG1
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/* Call quot-xt */
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mov NV_TEMP_REG,ARG0
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call *QUOT_XT_OFFSET(ARG0)
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/* Tear down register shadow area */
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add $32,STACK_REG
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POP_NONVOLATILE
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ret
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DEF(F_FASTCALL void,lazy_jit_compile,(CELL quot, void *vm)):
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mov ARG1,NV_TEMP_REG /* stash vm ptr */
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mov STACK_REG,ARG1 /* Save stack pointer */
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sub $STACK_PADDING,STACK_REG
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push NV_TEMP_REG /* push vm ptr as arg3 */
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call MANGLE(lazy_jit_compile_impl)
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pop NV_TEMP_REG
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mov RETURN_REG,ARG0 /* No-op on 32-bit */
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add $STACK_PADDING,STACK_REG
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jmp *QUOT_XT_OFFSET(ARG0) /* Call the quotation */
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/* cpu.x86.features calls this */
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DEF(bool,sse_version,(void)):
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mov $0x1,RETURN_REG
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cpuid
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/* test $0x100000,%ecx
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jnz sse_42
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test $0x80000,%ecx
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jnz sse_41
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test $0x200,%ecx
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jnz ssse_3 */
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test $0x1,%ecx
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jnz sse_3
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test $0x4000000,%edx
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jnz sse_2
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test $0x2000000,%edx
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jnz sse_1
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mov $0,%eax
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ret
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sse_42:
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mov $42,RETURN_REG
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ret
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sse_41:
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mov $41,RETURN_REG
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ret
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ssse_3:
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mov $33,RETURN_REG
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ret
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sse_3:
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mov $30,RETURN_REG
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ret
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sse_2:
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mov $20,RETURN_REG
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ret
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sse_1:
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mov $10,RETURN_REG
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ret
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#ifdef WINDOWS
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.section .drectve
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.ascii " -export:sse_version"
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.ascii " -export:c_to_factor"
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#endif
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