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Replace libgcc version of ctz with our own.

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On upcoming arm64 port libgcc ctz* are not usable in standalone
	environment. Since we need ctz* for this case and implementation is
	in C we may as well use it on all concerned platforms.
This commit is contained in:
Vladimir Serbinenko 2013-11-15 03:28:34 +01:00
parent a9f25a0819
commit 6fcec43954
4 changed files with 100 additions and 1 deletions
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12
include/grub/misc.h
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@ -465,6 +465,18 @@ EXPORT_FUNC (__umodsi3) (grub_uint32_t a, grub_uint32_t b);
#endif
#if defined (__sparc64__) || defined (__powerpc__)
unsigned
EXPORT_FUNC (__ctzdi2) (grub_uint64_t x);
#define NEED_CTZDI2 1
#endif
#if defined (__mips__) || defined (__arm__)
unsigned
EXPORT_FUNC (__ctzsi2) (grub_uint32_t x);
#define NEED_CTZSI2 1
#endif
#ifdef __arm__
grub_uint32_t
EXPORT_FUNC (__aeabi_uidiv) (grub_uint32_t a, grub_uint32_t b);