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- 1 ;--------------------------------------------------------
- 2 ; File Created by SDCC : free open source ANSI-C Compiler
- 3 ; Version 3.9.3 #11345 (Linux)
- 4 ;--------------------------------------------------------
- 5 .module isnan
- 6 .optsdcc -mstm8
- 7
- 8 ;--------------------------------------------------------
- 9 ; Public variables in this module
- 10 ;--------------------------------------------------------
- 11 .globl _isnan
- 12 ;--------------------------------------------------------
- 13 ; ram data
- 14 ;--------------------------------------------------------
- 15 .area DATA
- 16 ;--------------------------------------------------------
- 17 ; ram data
- 18 ;--------------------------------------------------------
- 19 .area INITIALIZED
- 20 ;--------------------------------------------------------
- 21 ; absolute external ram data
- 22 ;--------------------------------------------------------
- 23 .area DABS (ABS)
- 24
- 25 ; default segment ordering for linker
- 26 .area HOME
- 27 .area GSINIT
- 28 .area GSFINAL
- 29 .area CONST
- 30 .area INITIALIZER
- 31 .area CODE
- 32
- 33 ;--------------------------------------------------------
- 34 ; global & static initialisations
- 35 ;--------------------------------------------------------
- 36 .area HOME
- 37 .area GSINIT
- 38 .area GSFINAL
- 39 .area GSINIT
- 40 ;--------------------------------------------------------
- 41 ; Home
- 42 ;--------------------------------------------------------
- 43 .area HOME
- 44 .area HOME
- 45 ;--------------------------------------------------------
- 46 ; code
- 47 ;--------------------------------------------------------
- 48 .area CODE
- 49 ; ../isnan.c: 33: int isnan (float f)
- 50 ; -----------------------------------------
- 51 ; function isnan
- 52 ; -----------------------------------------
- 000000 53 _isnan:
- 000000 52 04 [ 2] 54 sub sp, #4
- 55 ; ../isnan.c: 35: unsigned long *pl = (unsigned long *) &f;
- 000002 96 [ 1] 56 ldw x, sp
- 000003 1C 00 07 [ 2] 57 addw x, #7
- 58 ; ../isnan.c: 37: return (*pl & 0x7fffffff) > 0x7f800000;
- 000006 90 93 [ 1] 59 ldw y, x
- 000008 90 EE 02 [ 2] 60 ldw y, (0x2, y)
- 00000B FE [ 2] 61 ldw x, (x)
- 00000C 17 03 [ 2] 62 ldw (0x03, sp), y
- 00000E 41 [ 1] 63 exg a, xl
- 00000F 6B 02 [ 1] 64 ld (0x02, sp), a
- 000011 41 [ 1] 65 exg a, xl
- 000012 9E [ 1] 66 ld a, xh
- 000013 A4 7F [ 1] 67 and a, #0x7f
- 000015 6B 01 [ 1] 68 ld (0x01, sp), a
- 000017 5F [ 1] 69 clrw x
- 000018 13 03 [ 2] 70 cpw x, (0x03, sp)
- 00001A A6 80 [ 1] 71 ld a, #0x80
- 00001C 12 02 [ 1] 72 sbc a, (0x02, sp)
- 00001E A6 7F [ 1] 73 ld a, #0x7f
- 000020 12 01 [ 1] 74 sbc a, (0x01, sp)
- 000022 4F [ 1] 75 clr a
- 000023 49 [ 1] 76 rlc a
- 000024 5F [ 1] 77 clrw x
- 000025 97 [ 1] 78 ld xl, a
- 79 ; ../isnan.c: 38: }
- 000026 5B 04 [ 2] 80 addw sp, #4
- 000028 81 [ 4] 81 ret
- 82 .area CODE
- 83 .area CONST
- 84 .area INITIALIZER
- 85 .area CABS (ABS)