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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | .global expm1f .type expm1f,@function expm1f: flds 4(%esp) jmp 1f .global expm1l .type expm1l,@function expm1l: fldt 4(%esp) jmp 1f .global expm1 .type expm1,@function expm1: fldl 4(%esp) 1: fldl2e fmulp fld1 fld %st(1) fabs fucom %st(1) fnstsw %ax fstp %st(0) fstp %st(0) sahf ja 1f f2xm1 ret 1: call 1f fld1 fsubrp ret .global exp2f .type exp2f,@function exp2f: flds 4(%esp) jmp 1f .global exp2l .type exp2l,@function exp2l: fldt 4(%esp) jmp 1f .global expf .type expf,@function expf: flds 4(%esp) jmp 2f .global expl .type expl,@function expl: fldt 4(%esp) jmp 2f .global exp .type exp,@function exp: fldl 4(%esp) 2: fldl2e fmulp jmp 1f .global exp2 .type exp2,@function exp2: fldl 4(%esp) 1: pushl $0x467ff000 flds (%esp) xorl %eax,%eax pushl $0x80000000 push %eax fld %st(1) fabs fucom %st(1) fnstsw fstp %st(0) fstp %st(0) sahf ja 2f fld %st(0) fistpl 8(%esp) fildl 8(%esp) fxch %st(1) fsub %st(1) mov $0x3fff,%eax add %eax,8(%esp) f2xm1 fld1 faddp fldt (%esp) fmulp fstp %st(1) add $12,%esp ret 2: fld %st(0) fstpt (%esp) mov 9(%esp),%ah and $0x7f,%ah cmp $0x7f,%ah jne 1f decb 9(%esp) fstp %st(0) fldt (%esp) 1: fld %st(0) frndint fxch %st(1) fsub %st(1) f2xm1 fld1 faddp fscale fstp %st(1) add $12,%esp ret |