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
|
From c6d129bd59a33539ec842283252e7ace52a82838 Mon Sep 17 00:00:00 2001
From: hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 24 May 2011 17:41:51 +0000
Subject: [PATCH] Always add -mno-XXX for -march=native.
2011-05-24 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline
2011-05-24 H.J. Lu <hongjiu.lu@intel.com>
PR target/49128
* config/i386/driver-i386.c (host_detect_local_cpu): Always
add -mno-XXX. Handle FMA.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174127 138bc75d-0d04-0410-961f-82ee72b054a4
index 35962c8..747122b 100644
--- a/gcc/config/i386/driver-i386.c
+++ b/gcc/config/i386/driver-i386.c
@@ -395,7 +395,7 @@ const char *host_detect_local_cpu (int argc, const char **argv)
unsigned int has_movbe = 0, has_sse4_1 = 0, has_sse4_2 = 0;
unsigned int has_popcnt = 0, has_aes = 0, has_avx = 0;
unsigned int has_pclmul = 0, has_abm = 0, has_lwp = 0;
- unsigned int has_fma4 = 0, has_xop = 0;
+ unsigned int has_fma = 0, has_fma4 = 0, has_xop = 0;
unsigned int has_bmi = 0, has_tbm = 0;
bool arch;
@@ -443,6 +443,7 @@ const char *host_detect_local_cpu (int argc, const char **argv)
has_popcnt = ecx & bit_POPCNT;
has_aes = ecx & bit_AES;
has_pclmul = ecx & bit_PCLMUL;
+ has_fma = ecx & bit_FMA;
has_cmpxchg8b = edx & bit_CMPXCHG8B;
has_cmov = edx & bit_CMOV;
@@ -681,37 +682,26 @@ const char *host_detect_local_cpu (int argc, const char **argv)
if (arch)
{
- if (has_cmpxchg16b)
- options = concat (options, " -mcx16", NULL);
- if (has_lahf_lm)
- options = concat (options, " -msahf", NULL);
- if (has_movbe)
- options = concat (options, " -mmovbe", NULL);
- if (has_aes)
- options = concat (options, " -maes", NULL);
- if (has_pclmul)
- options = concat (options, " -mpclmul", NULL);
- if (has_popcnt)
- options = concat (options, " -mpopcnt", NULL);
- if (has_abm)
- options = concat (options, " -mabm", NULL);
- if (has_lwp)
- options = concat (options, " -mlwp", NULL);
- if (has_fma4)
- options = concat (options, " -mfma4", NULL);
- if (has_xop)
- options = concat (options, " -mxop", NULL);
- if (has_bmi)
- options = concat (options, " -mbmi", NULL);
- if (has_tbm)
- options = concat (options, " -mtbm", NULL);
-
- if (has_avx)
- options = concat (options, " -mavx", NULL);
- else if (has_sse4_2)
- options = concat (options, " -msse4.2", NULL);
- else if (has_sse4_1)
- options = concat (options, " -msse4.1", NULL);
+ const char *cx16 = has_cmpxchg16b ? " -mcx16" : " -mno-cx16";
+ const char *sahf = has_lahf_lm ? " -msahf" : " -mno-sahf";
+ const char *movbe = has_movbe ? " -mmovbe" : " -mno-movbe";
+ const char *ase = has_aes ? " -maes" : " -mno-aes";
+ const char *pclmul = has_pclmul ? " -mpclmul" : " -mno-pclmul";
+ const char *popcnt = has_popcnt ? " -mpopcnt" : " -mno-popcnt";
+ const char *abm = has_abm ? " -mabm" : " -mno-abm";
+ const char *lwp = has_lwp ? " -mlwp" : " -mno-lwp";
+ const char *fma = has_fma ? " -mfma" : " -mno-fma";
+ const char *fma4 = has_fma4 ? " -mfma4" : " -mno-fma4";
+ const char *xop = has_xop ? " -mxop" : " -mno-xop";
+ const char *bmi = has_bmi ? " -mbmi" : " -mno-bmi";
+ const char *tbm = has_tbm ? " -mtbm" : " -mno-tbm";
+ const char *avx = has_avx ? " -mavx" : " -mno-avx";
+ const char *sse4_2 = has_sse4_2 ? " -msse4.2" : " -mno-msse4.2";
+ const char *sse4_1 = has_sse4_1 ? " -msse4.1" : " -mno-sse4.1";
+
+ options = concat (options, cx16, sahf, movbe, ase, pclmul,
+ popcnt, abm, lwp, fma, fma4, xop, bmi, tbm,
+ avx, sse4_2, sse4_1, NULL);
}
done:
--
1.7.0.4
|
