mirror of
https://github.com/SebastianWendel/nixpkgs.git
synced 2024-11-06 10:16:44 +01:00
74 lines
2.3 KiB
Diff
74 lines
2.3 KiB
Diff
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Taken from openwrt:
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https://dev.openwrt.org/browser/packages/libs/libmad/patches/001-mips_removal_h_constraint.patch?rev=18548
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diff -ur libmad-0.15.1b-orig/fixed.h libmad-0.15.1b/fixed.h
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--- libmad-0.15.1b-orig/fixed.h 2004-02-17 12:32:03.000000000 +1030
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+++ libmad-0.15.1b/fixed.h 2009-08-05 10:46:30.000000000 +0930
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@@ -299,6 +299,23 @@
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# elif defined(FPM_MIPS)
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+/* Test for gcc >= maj.min, as per __GNUC_PREREQ in glibc */
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+#if defined (__GNUC__) && defined (__GNUC_MINOR__)
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+#define __GNUC_PREREQ(maj, min) \
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+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
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+#else
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+#define __GNUC_PREREQ(maj, min) 0
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+#endif
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+
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+#if __GNUC_PREREQ(4,4)
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+ typedef unsigned int u64_di_t __attribute__ ((mode (DI)));
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+# define MAD_F_MLX(hi, lo, x, y) \
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+ do { \
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+ u64_di_t __ll = (u64_di_t) (x) * (y); \
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+ hi = __ll >> 32; \
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+ lo = __ll; \
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+ } while (0)
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+#else
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/*
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* This MIPS version is fast and accurate; the disposition of the least
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* significant bit depends on OPT_ACCURACY via mad_f_scale64().
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@@ -328,6 +345,7 @@
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: "%r" ((x) >> 12), "r" ((y) >> 16))
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# define MAD_F_MLZ(hi, lo) ((mad_fixed_t) (lo))
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# endif
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+#endif /* __GNU_PREREQ(4,4) */
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# if defined(OPT_SPEED)
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# define mad_f_scale64(hi, lo) \
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diff -ur libmad-0.15.1b-orig/mad.h libmad-0.15.1b/mad.h
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--- libmad-0.15.1b-orig/mad.h 2004-02-17 13:25:44.000000000 +1030
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+++ libmad-0.15.1b/mad.h 2009-08-05 10:42:40.000000000 +0930
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@@ -344,6 +344,23 @@
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# elif defined(FPM_MIPS)
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+/* Test for gcc >= maj.min, as per __GNUC_PREREQ in glibc */
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+#if defined (__GNUC__) && defined (__GNUC_MINOR__)
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+#define __GNUC_PREREQ(maj, min) \
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+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
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+#else
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+#define __GNUC_PREREQ(maj, min) 0
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+#endif
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+
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+#if __GNUC_PREREQ(4,4)
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+ typedef unsigned int u64_di_t __attribute__ ((mode (DI)));
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+# define MAD_F_MLX(hi, lo, x, y) \
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+ do { \
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+ u64_di_t __ll = (u64_di_t) (x) * (y); \
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+ hi = __ll >> 32; \
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+ lo = __ll; \
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+ } while (0)
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+#else
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/*
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* This MIPS version is fast and accurate; the disposition of the least
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* significant bit depends on OPT_ACCURACY via mad_f_scale64().
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@@ -373,6 +390,7 @@
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: "%r" ((x) >> 12), "r" ((y) >> 16))
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# define MAD_F_MLZ(hi, lo) ((mad_fixed_t) (lo))
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# endif
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+#endif /* __GNU_PREREQ(4,4) */
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# if defined(OPT_SPEED)
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# define mad_f_scale64(hi, lo) \
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