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mips: Enable __clzsi2()

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This patch is similiar to commit e795b9011 (RISC-V: Add libgcc helpers
for clz) but for MIPS target.

Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Ross Philipson <ross.philipson@oracle.com>
This commit is contained in:
Daniel Kiper 2019-03-18 13:19:05 +01:00
parent c7bdb8273c
commit e42b0d97ec
2 changed files with 6 additions and 3 deletions
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5
grub-core/kern/compiler-rt.c
View File

@ -420,8 +420,7 @@ __aeabi_llsl (grub_uint64_t u, int b)
#endif #endif
#ifdef __riscv #if defined(__mips__) || defined(__riscv)
/* Based on libgcc from gcc suite. */ /* Based on libgcc from gcc suite. */
int int
__clzsi2 (grub_uint32_t val) __clzsi2 (grub_uint32_t val)
@ -447,7 +446,9 @@ __clzsi2 (grub_uint32_t val)
} }
return (i - val); return (i - val);
} }
#endif
#ifdef __riscv
int int
__clzdi2 (grub_uint64_t val) __clzdi2 (grub_uint64_t val)
{ {

4
include/grub/compiler-rt.h
View File

@ -110,10 +110,12 @@ EXPORT_FUNC (__aeabi_llsr) (grub_uint64_t u, int b);
#endif #endif
#ifdef __riscv #if defined(__mips__) || defined(__riscv)
int int
EXPORT_FUNC (__clzsi2) (grub_uint32_t val); EXPORT_FUNC (__clzsi2) (grub_uint32_t val);
#endif
#ifdef __riscv
int int
EXPORT_FUNC (__clzdi2) (grub_uint64_t val); EXPORT_FUNC (__clzdi2) (grub_uint64_t val);
#endif #endif