These files are functionally identical to the shared copies that I
recently added.

Signed-off-by: Palmer Dabbelt <pal...@dabbelt.com>
---
 arch/microblaze/Kconfig       |  6 +++++
 arch/microblaze/lib/Makefile  |  3 +--
 arch/microblaze/lib/ashldi3.c | 28 ---------------------
 arch/microblaze/lib/ashrdi3.c | 30 -----------------------
 arch/microblaze/lib/cmpdi2.c  | 26 --------------------
 arch/microblaze/lib/libgcc.h  | 32 ------------------------
 arch/microblaze/lib/lshrdi3.c | 28 ---------------------
 arch/microblaze/lib/muldi3.c  | 57 -------------------------------------------
 arch/microblaze/lib/ucmpdi2.c | 20 ---------------
 9 files changed, 7 insertions(+), 223 deletions(-)
 delete mode 100644 arch/microblaze/lib/ashldi3.c
 delete mode 100644 arch/microblaze/lib/ashrdi3.c
 delete mode 100644 arch/microblaze/lib/cmpdi2.c
 delete mode 100644 arch/microblaze/lib/libgcc.h
 delete mode 100644 arch/microblaze/lib/lshrdi3.c
 delete mode 100644 arch/microblaze/lib/muldi3.c
 delete mode 100644 arch/microblaze/lib/ucmpdi2.c

diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 85885a501dce..cc88ea3d18a7 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -34,6 +34,12 @@ config MICROBLAZE
        select TRACING_SUPPORT
        select VIRT_TO_BUS
        select CPU_NO_EFFICIENT_FFS
+       select LIB_ASHLDI3
+       select LIB_ASHRDI3
+       select LIB_CMPDI2
+       select LIB_LSHRDI3
+       select LIB_MULDI3
+       select LIB_UCMPDI3
 
 config SWAP
        def_bool n
diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile
index 70c7ae6a3fb5..c9a4d537e2fd 100644
--- a/arch/microblaze/lib/Makefile
+++ b/arch/microblaze/lib/Makefile
@@ -19,5 +19,4 @@ endif
 lib-y += uaccess_old.o
 
 # libgcc-style stuff needed in the kernel
-obj-y += ashldi3.o ashrdi3.o cmpdi2.o divsi3.o lshrdi3.o modsi3.o
-obj-y += muldi3.o mulsi3.o ucmpdi2.o udivsi3.o umodsi3.o
+obj-y += divsi3.o modsi3.o mulsi3.o udivsi3.o umodsi3.o
diff --git a/arch/microblaze/lib/ashldi3.c b/arch/microblaze/lib/ashldi3.c
deleted file mode 100644
index 1af904cd972d..000000000000
--- a/arch/microblaze/lib/ashldi3.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include <linux/export.h>
-
-#include "libgcc.h"
-
-long long __ashldi3(long long u, word_type b)
-{
-       DWunion uu, w;
-       word_type bm;
-
-       if (b == 0)
-               return u;
-
-       uu.ll = u;
-       bm = 32 - b;
-
-       if (bm <= 0) {
-               w.s.low = 0;
-               w.s.high = (unsigned int) uu.s.low << -bm;
-       } else {
-               const unsigned int carries = (unsigned int) uu.s.low >> bm;
-
-               w.s.low = (unsigned int) uu.s.low << b;
-               w.s.high = ((unsigned int) uu.s.high << b) | carries;
-       }
-
-       return w.ll;
-}
-EXPORT_SYMBOL(__ashldi3);
diff --git a/arch/microblaze/lib/ashrdi3.c b/arch/microblaze/lib/ashrdi3.c
deleted file mode 100644
index 32c334c05d04..000000000000
--- a/arch/microblaze/lib/ashrdi3.c
+++ /dev/null
@@ -1,30 +0,0 @@
-#include <linux/export.h>
-
-#include "libgcc.h"
-
-long long __ashrdi3(long long u, word_type b)
-{
-       DWunion uu, w;
-       word_type bm;
-
-       if (b == 0)
-               return u;
-
-       uu.ll = u;
-       bm = 32 - b;
-
-       if (bm <= 0) {
-               /* w.s.high = 1..1 or 0..0 */
-               w.s.high =
-                   uu.s.high >> 31;
-               w.s.low = uu.s.high >> -bm;
-       } else {
-               const unsigned int carries = (unsigned int) uu.s.high << bm;
-
-               w.s.high = uu.s.high >> b;
-               w.s.low = ((unsigned int) uu.s.low >> b) | carries;
-       }
-
-       return w.ll;
-}
-EXPORT_SYMBOL(__ashrdi3);
diff --git a/arch/microblaze/lib/cmpdi2.c b/arch/microblaze/lib/cmpdi2.c
deleted file mode 100644
index 67abc9ac1bd4..000000000000
--- a/arch/microblaze/lib/cmpdi2.c
+++ /dev/null
@@ -1,26 +0,0 @@
-#include <linux/export.h>
-
-#include "libgcc.h"
-
-word_type __cmpdi2(long long a, long long b)
-{
-       const DWunion au = {
-               .ll = a
-       };
-       const DWunion bu = {
-               .ll = b
-       };
-
-       if (au.s.high < bu.s.high)
-               return 0;
-       else if (au.s.high > bu.s.high)
-               return 2;
-
-       if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
-               return 0;
-       else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
-               return 2;
-
-       return 1;
-}
-EXPORT_SYMBOL(__cmpdi2);
diff --git a/arch/microblaze/lib/libgcc.h b/arch/microblaze/lib/libgcc.h
deleted file mode 100644
index ab077ef7e14b..000000000000
--- a/arch/microblaze/lib/libgcc.h
+++ /dev/null
@@ -1,32 +0,0 @@
-#ifndef __ASM_LIBGCC_H
-#define __ASM_LIBGCC_H
-
-#include <asm/byteorder.h>
-
-typedef int word_type __attribute__ ((mode (__word__)));
-
-#ifdef __BIG_ENDIAN
-struct DWstruct {
-       int high, low;
-};
-#elif defined(__LITTLE_ENDIAN)
-struct DWstruct {
-       int low, high;
-};
-#else
-#error I feel sick.
-#endif
-
-typedef union {
-       struct DWstruct s;
-       long long ll;
-} DWunion;
-
-extern long long __ashldi3(long long u, word_type b);
-extern long long __ashrdi3(long long u, word_type b);
-extern word_type __cmpdi2(long long a, long long b);
-extern long long __lshrdi3(long long u, word_type b);
-extern long long __muldi3(long long u, long long v);
-extern word_type __ucmpdi2(unsigned long long a, unsigned long long b);
-
-#endif /* __ASM_LIBGCC_H */
diff --git a/arch/microblaze/lib/lshrdi3.c b/arch/microblaze/lib/lshrdi3.c
deleted file mode 100644
index adcb253f11c8..000000000000
--- a/arch/microblaze/lib/lshrdi3.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include <linux/export.h>
-
-#include "libgcc.h"
-
-long long __lshrdi3(long long u, word_type b)
-{
-       DWunion uu, w;
-       word_type bm;
-
-       if (b == 0)
-               return u;
-
-       uu.ll = u;
-       bm = 32 - b;
-
-       if (bm <= 0) {
-               w.s.high = 0;
-               w.s.low = (unsigned int) uu.s.high >> -bm;
-       } else {
-               const unsigned int carries = (unsigned int) uu.s.high << bm;
-
-               w.s.high = (unsigned int) uu.s.high >> b;
-               w.s.low = ((unsigned int) uu.s.low >> b) | carries;
-       }
-
-       return w.ll;
-}
-EXPORT_SYMBOL(__lshrdi3);
diff --git a/arch/microblaze/lib/muldi3.c b/arch/microblaze/lib/muldi3.c
deleted file mode 100644
index a3f9a03acdcd..000000000000
--- a/arch/microblaze/lib/muldi3.c
+++ /dev/null
@@ -1,57 +0,0 @@
-#include <linux/export.h>
-
-#include "libgcc.h"
-
-#define W_TYPE_SIZE 32
-
-#define __ll_B ((unsigned long) 1 << (W_TYPE_SIZE / 2))
-#define __ll_lowpart(t) ((unsigned long) (t) & (__ll_B - 1))
-#define __ll_highpart(t) ((unsigned long) (t) >> (W_TYPE_SIZE / 2))
-
-/* If we still don't have umul_ppmm, define it using plain C.  */
-#if !defined(umul_ppmm)
-#define umul_ppmm(w1, w0, u, v)                                                
\
-       do {                                                            \
-               unsigned long __x0, __x1, __x2, __x3;                   \
-               unsigned short __ul, __vl, __uh, __vh;                  \
-                                                                       \
-               __ul = __ll_lowpart(u);                                 \
-               __uh = __ll_highpart(u);                                \
-               __vl = __ll_lowpart(v);                                 \
-               __vh = __ll_highpart(v);                                \
-                                                                       \
-               __x0 = (unsigned long) __ul * __vl;                     \
-               __x1 = (unsigned long) __ul * __vh;                     \
-               __x2 = (unsigned long) __uh * __vl;                     \
-               __x3 = (unsigned long) __uh * __vh;                     \
-                                                                       \
-               __x1 += __ll_highpart(__x0); /* this can't give carry */\
-               __x1 += __x2; /* but this indeed can */                 \
-               if (__x1 < __x2) /* did we get it? */                   \
-               __x3 += __ll_B; /* yes, add it in the proper pos */     \
-                                                                       \
-               (w1) = __x3 + __ll_highpart(__x1);                      \
-               (w0) = __ll_lowpart(__x1) * __ll_B + __ll_lowpart(__x0);\
-       } while (0)
-#endif
-
-#if !defined(__umulsidi3)
-#define __umulsidi3(u, v) ({                           \
-       DWunion __w;                                    \
-       umul_ppmm(__w.s.high, __w.s.low, u, v);         \
-       __w.ll;                                         \
-       })
-#endif
-
-long long __muldi3(long long u, long long v)
-{
-       const DWunion uu = {.ll = u};
-       const DWunion vv = {.ll = v};
-       DWunion w = {.ll = __umulsidi3(uu.s.low, vv.s.low)};
-
-       w.s.high += ((unsigned long) uu.s.low * (unsigned long) vv.s.high
-               + (unsigned long) uu.s.high * (unsigned long) vv.s.low);
-
-       return w.ll;
-}
-EXPORT_SYMBOL(__muldi3);
diff --git a/arch/microblaze/lib/ucmpdi2.c b/arch/microblaze/lib/ucmpdi2.c
deleted file mode 100644
index d05f1585121c..000000000000
--- a/arch/microblaze/lib/ucmpdi2.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <linux/export.h>
-
-#include "libgcc.h"
-
-word_type __ucmpdi2(unsigned long long a, unsigned long long b)
-{
-       const DWunion au = {.ll = a};
-       const DWunion bu = {.ll = b};
-
-       if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
-               return 0;
-       else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
-               return 2;
-       if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
-               return 0;
-       else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
-               return 2;
-       return 1;
-}
-EXPORT_SYMBOL(__ucmpdi2);
-- 
2.13.0

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