alpha.opt revision 1.1.1.1.8.2 
1; Options for the DEC Alpha port of the compiler
2;
3; Copyright (C) 2005, 2007 Free Software Foundation, Inc.
4;
5; This file is part of GCC.
6;
7; GCC is free software; you can redistribute it and/or modify it under
8; the terms of the GNU General Public License as published by the Free
9; Software Foundation; either version 3, or (at your option) any later
10; version.
11;
12; GCC is distributed in the hope that it will be useful, but WITHOUT
13; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
15; License for more details.
16;
17; You should have received a copy of the GNU General Public License
18; along with GCC; see the file COPYING3.  If not see
19; <http://www.gnu.org/licenses/>.
20
21msoft-float
22Target Report Mask(SOFT_FP)
23Do not use hardware fp
24
25mfp-regs
26Target Report Mask(FPREGS)
27Use fp registers
28
29mgas
30Target RejectNegative Mask(GAS)
31Assume GAS
32
33malpha-as
34Target RejectNegative InverseMask(GAS)
35Do not assume GAS
36
37mieee-conformant
38Target RejectNegative Mask(IEEE_CONFORMANT)
39Request IEEE-conformant math library routines (OSF/1)
40
41mieee
42Target Report RejectNegative Mask(IEEE)
43Emit IEEE-conformant code, without inexact exceptions
44
45mieee-with-inexact
46Target Report RejectNegative Mask(IEEE_WITH_INEXACT)
47
48mbuild-constants
49Target Report Mask(BUILD_CONSTANTS)
50Do not emit complex integer constants to read-only memory
51
52mfloat-vax
53Target Report RejectNegative Mask(FLOAT_VAX)
54Use VAX fp
55
56mfloat-ieee
57Target Report RejectNegative InverseMask(FLOAT_VAX)
58Do not use VAX fp
59
60mbwx
61Target Report Mask(BWX)
62Emit code for the byte/word ISA extension
63
64mmax
65Target Report Mask(MAX)
66Emit code for the motion video ISA extension
67
68mfix
69Target Report Mask(FIX)
70Emit code for the fp move and sqrt ISA extension
71
72mcix
73Target Report Mask(CIX)
74Emit code for the counting ISA extension
75
76mexplicit-relocs
77Target Report Mask(EXPLICIT_RELOCS)
78Emit code using explicit relocation directives
79
80msmall-data
81Target Report RejectNegative Mask(SMALL_DATA)
82Emit 16-bit relocations to the small data areas
83
84mlarge-data
85Target Report RejectNegative InverseMask(SMALL_DATA)
86Emit 32-bit relocations to the small data areas
87
88msmall-text
89Target Report RejectNegative Mask(SMALL_TEXT)
90Emit direct branches to local functions
91
92mlarge-text
93Target Report RejectNegative InverseMask(SMALL_TEXT)
94Emit indirect branches to local functions
95
96mtls-kernel
97Target Report Mask(TLS_KERNEL)
98Emit rdval instead of rduniq for thread pointer
99
100mlong-double-128
101Target Report RejectNegative Mask(LONG_DOUBLE_128)
102Use 128-bit long double
103
104mlong-double-64
105Target Report RejectNegative InverseMask(LONG_DOUBLE_128)
106Use 64-bit long double
107
108mcpu=
109Target RejectNegative Joined Var(alpha_cpu_string)
110Use features of and schedule given CPU
111
112mtune=
113Target RejectNegative Joined Var(alpha_tune_string)
114Schedule given CPU
115
116mfp-rounding-mode=
117Target RejectNegative Joined Var(alpha_fprm_string)
118Control the generated fp rounding mode
119
120mfp-trap-mode=
121Target RejectNegative Joined Var(alpha_fptm_string)
122Control the IEEE trap mode
123
124mtrap-precision=
125Target RejectNegative Joined Var(alpha_tp_string)
126Control the precision given to fp exceptions
127
128mmemory-latency=
129Target RejectNegative Joined Var(alpha_mlat_string)
130Tune expected memory latency
131
132mtls-size=
133Target RejectNegative Joined UInteger Var(alpha_tls_size) Init(32)
134Specify bit size of immediate TLS offsets
135