1.file "fabs.s"
2
3
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38//
39// History
40//==============================================================
41// 02/02/00 Initial version
42// 02/07/02 Added __libm_fabs entry point to test in case compiler inlines
43// 05/20/02 Cleaned up namespace and sf0 syntax
44// 02/10/03 Reordered header: .section, .global, .proc, .align
45//
46// API
47//==============================================================
48// double fabs  (double x)
49//
50// Overview of operation
51//==============================================================
52// returns absolute value of x
53
54// floating-point registers used: 1
55// f8, input
56
57.section .text
58.global __libm_fabs#
59
60.proc __libm_fabs#
61__libm_fabs:
62.endp __libm_fabs#
63
64GLOBAL_IEEE754_ENTRY(fabs)
65
66// set invalid or denormal flags and take fault if
67// necessary
68
69{ .mfi
70      nop.m 999
71      fcmp.eq.unc.s0 p6,p7 = f8,f1
72      nop.i 999 ;;
73}
74
75{ .mfb
76      nop.m 999
77      fmerge.s       f8 = f0,f8
78      br.ret.sptk    b0 ;;
79}
80
81GLOBAL_IEEE754_END(fabs)
82libm_alias_double_other (__fabs, fabs)
83