75 lines
1.2 KiB
ArmAsm
75 lines
1.2 KiB
ArmAsm
DEF(F_FASTCALL void,c_to_factor,(CELL quot, void *vm)):
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PUSH_NONVOLATILE
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mov ARG0,NV0
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mov ARG1,NV1
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/* Save old stack pointer and align */
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mov STACK_REG,ARG0
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and $-16,STACK_REG
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add $CELL_SIZE,STACK_REG
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push ARG0
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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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call MANGLE(save_callstack_bottom)
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/* Call quot-xt */
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mov NV0,ARG0
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mov NV1,ARG1
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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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/* Undo stack alignment */
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mov (STACK_REG),STACK_REG
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POP_NONVOLATILE
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ret
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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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