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-rw-r--r--meta/recipes-core/eglibc/eglibc-2.19/fsl-ppc-no-fsqrt.patch100
1 files changed, 100 insertions, 0 deletions
diff --git a/meta/recipes-core/eglibc/eglibc-2.19/fsl-ppc-no-fsqrt.patch b/meta/recipes-core/eglibc/eglibc-2.19/fsl-ppc-no-fsqrt.patch
new file mode 100644
index 0000000..511ee9d
--- /dev/null
+++ b/meta/recipes-core/eglibc/eglibc-2.19/fsl-ppc-no-fsqrt.patch
@@ -0,0 +1,100 @@
1Create e5500 specific math_private.h and let it include when compiling for e5500/64bit core
2We prefefine __CPU_HAS_FSQRT to 0 and then in general ppc64 math_private.h we check if its
3already defined before redefining it. This way we can ensure that on e5500 builds it wont
4emit fsqrt intructions
5
6-Khem
7
8Upstream-Status: Pending
9
10Index: libc/sysdeps/powerpc/fpu/math_private.h
11===================================================================
12--- libc.orig/sysdeps/powerpc/fpu/math_private.h
13+++ libc/sysdeps/powerpc/fpu/math_private.h
14@@ -25,10 +25,12 @@
15 #include <dl-procinfo.h>
16 #include_next <math_private.h>
17
18-# if __WORDSIZE == 64 || defined _ARCH_PWR4
19-# define __CPU_HAS_FSQRT 1
20-# else
21-# define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
22+# ifndef __CPU_HAS_FSQRT
23+# if __WORDSIZE == 64 || defined _ARCH_PWR4
24+# define __CPU_HAS_FSQRT 1
25+# else
26+# define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
27+# endif
28 # endif
29
30 extern double __slow_ieee754_sqrt (double);
31Index: libc/ports/sysdeps/powerpc/powerpc64/e5500/fpu/math_private.h
32===================================================================
33--- /dev/null
34+++ libc/ports/sysdeps/powerpc/powerpc64/e5500/fpu/math_private.h
35@@ -0,0 +1,9 @@
36+#ifndef _E5500_MATH_PRIVATE_H_
37+#define _E5500_MATH_PRIVATE_H_ 1
38+/* E5500 core FPU does not implement
39+ fsqrt */
40+
41+#define __CPU_HAS_FSQRT 0
42+#include_next <math_private.h>
43+
44+#endif /* _E5500_MATH_PRIVATE_H_ */
45Index: libc/ports/sysdeps/powerpc/powerpc64/e6500/fpu/math_private.h
46===================================================================
47--- /dev/null
48+++ libc/ports/sysdeps/powerpc/powerpc64/e6500/fpu/math_private.h
49@@ -0,0 +1,9 @@
50+#ifndef _E6500_MATH_PRIVATE_H_
51+#define _E6500_MATH_PRIVATE_H_ 1
52+/* E6500 core FPU does not implement
53+ fsqrt */
54+
55+#define __CPU_HAS_FSQRT 0
56+#include_next <math_private.h>
57+
58+#endif /* _E6500_MATH_PRIVATE_H_ */
59Index: libc/ports/sysdeps/powerpc/powerpc32/e500mc/fpu/math_private.h
60===================================================================
61--- /dev/null
62+++ libc/ports/sysdeps/powerpc/powerpc32/e500mc/fpu/math_private.h
63@@ -0,0 +1,9 @@
64+#ifndef _E500MC_MATH_PRIVATE_H_
65+#define _E500MC_MATH_PRIVATE_H_ 1
66+/* E500MC core FPU does not implement
67+ fsqrt */
68+
69+#define __CPU_HAS_FSQRT 0
70+#include_next <math_private.h>
71+
72+#endif /* _E500MC_MATH_PRIVATE_H_ */
73Index: libc/ports/sysdeps/powerpc/powerpc32/e5500/fpu/math_private.h
74===================================================================
75--- /dev/null
76+++ libc/ports/sysdeps/powerpc/powerpc32/e5500/fpu/math_private.h
77@@ -0,0 +1,9 @@
78+#ifndef _E5500_MATH_PRIVATE_H_
79+#define _E5500_MATH_PRIVATE_H_ 1
80+/* E5500 core FPU does not implement
81+ fsqrt */
82+
83+#define __CPU_HAS_FSQRT 0
84+#include_next <math_private.h>
85+
86+#endif /* _E5500_MATH_PRIVATE_H_ */
87Index: libc/ports/sysdeps/powerpc/powerpc32/e6500/fpu/math_private.h
88===================================================================
89--- /dev/null
90+++ libc/ports/sysdeps/powerpc/powerpc32/e6500/fpu/math_private.h
91@@ -0,0 +1,9 @@
92+#ifndef _E6500_MATH_PRIVATE_H_
93+#define _E6500_MATH_PRIVATE_H_ 1
94+/* E6500 core FPU does not implement
95+ fsqrt */
96+
97+#define __CPU_HAS_FSQRT 0
98+#include_next <math_private.h>
99+
100+#endif /* _E6500_MATH_PRIVATE_H_ */