user: Demonstrate the C code that generates the assembly output below:

```asm
<fpu_emit_macro_definitions>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  nop
  pop    %rbp
  ret
```

assistant: ```c
void fpu_emit_macro_definitions() {
  __asm__ __volatile__("BSUN"
                       " = "
                       "0x00008000");
  __asm__ __volatile__("SNAN"
                       " = "
                       "0x00004000");
  __asm__ __volatile__("OPERR"
                       " = "
                       "0x00002000");
  __asm__ __volatile__("OVFL"
                       " = "
                       "0x00001000");
  __asm__ __volatile__("UNFL"
                       " = "
                       "0x00000800");
  __asm__ __volatile__("DZ"
                       " = "
                       "0x00000400");
  __asm__ __volatile__("INEX2"
                       " = "
                       "0x00000200");
  __asm__ __volatile__("INEX1"
                       " = "
                       "0x00000100");
  __asm__ __volatile__("ACCR_IOP"
                       " = "
                       "0x80");
  __asm__ __volatile__("ACCR_OVFL"
                       " = "
                       "0x40");
  __asm__ __volatile__("ACCR_UNFL"
                       " = "
                       "0x20");
  __asm__ __volatile__("ACCR_DZ"
                       " = "
                       "0x10");
  __asm__ __volatile__("ACCR_INEX"
                       " = "
                       "0x08");
  __asm__ __volatile__("ROUND_CONTROL_MASK"
                       " = "
                       "0x30");
  __asm__ __volatile__("ROUND_TO_NEAREST"
                       " = "
                       "0");
  __asm__ __volatile__("ROUND_TO_ZERO"
                       " = "
                       "0x10");
  __asm__ __volatile__("ROUND_TO_NEGATIVE_INFINITY"
                       " = "
                       "0x20");
  __asm__ __volatile__("ROUND_TO_POSITIVE_INFINITY"
                       " = "
                       "0x30");
  __asm__ __volatile__("PRECISION_CONTROL_MASK"
                       " = "
                       "0xC0");
  __asm__ __volatile__("PRECISION_CONTROL_EXTENDED"
                       " = "
                       "0");
  __asm__ __volatile__("PRECISION_CONTROL_DOUBLE"
                       " = "
                       "0x80");
  __asm__ __volatile__("PRECISION_CONTROL_SINGLE"
                       " = "
                       "0x40");
  __asm__ __volatile__("PRECISION_CONTROL_UNDEFINED"
                       " = "
                       "0xC0");
  __asm__ __volatile__("CW_RESET"
                       " = "
                       "0x0040");
  __asm__ __volatile__("CW_FINIT"
                       " = "
                       "0x037F");
  __asm__ __volatile__("SW_RESET"
                       " = "
                       "0x0000");
  __asm__ __volatile__("SW_FINIT"
                       " = "
                       "0x0000");
  __asm__ __volatile__("TW_RESET"
                       " = "
                       "0x5555");
  __asm__ __volatile__("TW_FINIT"
                       " = "
                       "0x0FFF");
  __asm__ __volatile__("CW_X"
                       " = "
                       "0x1000");
  __asm__ __volatile__("CW_RC_ZERO"
                       " = "
                       "0x0C00");
  __asm__ __volatile__("CW_RC_UP"
                       " = "
                       "0x0800");
  __asm__ __volatile__("CW_RC_DOWN"
                       " = "
                       "0x0400");
  __asm__ __volatile__("CW_RC_NEAR"
                       " = "
                       "0x0000");
  __asm__ __volatile__("CW_PC_EXTENDED"
                       " = "
                       "0x0300");
  __asm__ __volatile__("CW_PC_DOUBLE"
                       " = "
                       "0x0200");
  __asm__ __volatile__("CW_PC_RESERVED"
                       " = "
                       "0x0100");
  __asm__ __volatile__("CW_PC_SINGLE"
                       " = "
                       "0x0000");
  __asm__ __volatile__("CW_PM"
                       " = "
                       "0x0020");
  __asm__ __volatile__("CW_UM"
                       " = "
                       "0x0010");
  __asm__ __volatile__("CW_OM"
                       " = "
                       "0x0008");
  __asm__ __volatile__("CW_ZM"
                       " = "
                       "0x0004");
  __asm__ __volatile__("CW_DM"
                       " = "
                       "0x0002");
  __asm__ __volatile__("CW_IM"
                       " = "
                       "0x0001");
  __asm__ __volatile__("SW_B"
                       " = "
                       "0x8000");
  __asm__ __volatile__("SW_C3"
                       " = "
                       "0x4000");
  __asm__ __volatile__("SW_TOP_7"
                       " = "
                       "0x3800");
  __asm__ __volatile__("SW_TOP_6"
                       " = "
                       "0x3000");
  __asm__ __volatile__("SW_TOP_5"
                       " = "
                       "0x2800");
  __asm__ __volatile__("SW_TOP_4"
                       " = "
                       "0x2000");
  __asm__ __volatile__("SW_TOP_3"
                       " = "
                       "0x1800");
  __asm__ __volatile__("SW_TOP_2"
                       " = "
                       "0x1000");
  __asm__ __volatile__("SW_TOP_1"
                       " = "
                       "0x0800");
  __asm__ __volatile__("SW_TOP_0"
                       " = "
                       "0x0000");
  __asm__ __volatile__("SW_C2"
                       " = "
                       "0x0400");
  __asm__ __volatile__("SW_C1"
                       " = "
                       "0x0200");
  __asm__ __volatile__("SW_C0"
                       " = "
                       "0x0100");
  __asm__ __volatile__("SW_ES"
                       " = "
                       "0x0080");
  __asm__ __volatile__("SW_SF"
                       " = "
                       "0x0040");
  __asm__ __volatile__("SW_PE"
                       " = "
                       "0x0020");
  __asm__ __volatile__("SW_UE"
                       " = "
                       "0x0010");
  __asm__ __volatile__("SW_OE"
                       " = "
                       "0x0008");
  __asm__ __volatile__("SW_ZE"
                       " = "
                       "0x0004");
  __asm__ __volatile__("SW_DE"
                       " = "
                       "0x0002");
  __asm__ __volatile__("SW_IE"
                       " = "
                       "0x0001");
  __asm__ __volatile__("X86_ROUND_CONTROL_MASK"
                       " = "
                       "0x0C00");
  __asm__ __volatile__("X86_PRECISION_CONTROL_MASK"
                       " = "
                       "0x0300");
}
```