Update.

2002-05-17  David S. Miller  <davem@redhat.com>

	* sysdeps/unix/sysv/linux/sparc/fork.S: Define _internal aliases.

2002-05-16  David S. Miller  <davem@redhat.com>

	* sysdeps/sparc/sparc32/dl-machine.h (LOAD_PIC_REG): Define.
	(elf_machine_dynamic): Use it to force PIC register to be loaded.
	(elf_machine_load_address): Likewise.
	* sysdeps/sparc/sparc64/dl-machine.h: Mirror sparc32 changes.

	* sysdeps/sparc/sparc64/strncmp.S: When second argument pointer
	is unaligned, do not forget to fully initialize %g1 magic value.

	* sysdeps/unix/sysv/linux/sparc/sys/procfs.h: Fix 64-bit elf
	register definitions and provide 32-bit variants of structures
	during 64-bit builds.

	* soft-fp/op-1.h (_FP_FRAC_CLEAR_OVERP_1): Define.
	* soft-fp/op-2.h (_FP_FRAC_CLEAR_OVERP_2): Define.
	* soft-fp/op-4.h (_FP_FRAC_CLEAR_OVERP_4): Define.
	* soft-fp/op-common.h (_FP_PACK_CANONICAL): After rounding, if
	_FP_FRAC_OVERP_X is set, use _FP_FRAC_CLEAR_OVERP_X to clear it.
	(_FP_FROM_INT): Perform right shifts on unsigned integer type.
	Do not clear implicit one bit here, it must be done post-rounding.
	Only pad to the left using left shift if value uses less than the
	available fractional bits.

4 files changed, 14 insertions, 10 deletions

diff --git a/soft-fp/op-1.h b/soft-fp/op-1.h
index f732143052..367ff2274b 100644
--- a/soft-fp/op-1.h
+++ b/soft-fp/op-1.h
@@ -55,6 +55,7 @@
 #define _FP_FRAC_NEGP_1(X)	((_FP_WS_TYPE)X##_f < 0)
 #define _FP_FRAC_ZEROP_1(X)	(X##_f == 0)
 #define _FP_FRAC_OVERP_1(fs,X)	(X##_f & _FP_OVERFLOW_##fs)
+#define _FP_FRAC_CLEAR_OVERP_1(fs,X)	(X##_f &= ~_FP_OVERFLOW_##fs)
 #define _FP_FRAC_EQ_1(X, Y)	(X##_f == Y##_f)
 #define _FP_FRAC_GE_1(X, Y)	(X##_f >= Y##_f)
 #define _FP_FRAC_GT_1(X, Y)	(X##_f > Y##_f)
diff --git a/soft-fp/op-2.h b/soft-fp/op-2.h
index 4a5add55cb..89da27fa4f 100644
--- a/soft-fp/op-2.h
+++ b/soft-fp/op-2.h
@@ -112,6 +112,7 @@
 #define _FP_FRAC_NEGP_2(X)	((_FP_WS_TYPE)X##_f1 < 0)
 #define _FP_FRAC_ZEROP_2(X)	((X##_f1 | X##_f0) == 0)
 #define _FP_FRAC_OVERP_2(fs,X)	(_FP_FRAC_HIGH_##fs(X) & _FP_OVERFLOW_##fs)
+#define _FP_FRAC_CLEAR_OVERP_2(fs,X)	(_FP_FRAC_HIGH_##fs(X) &= ~_FP_OVERFLOW_##fs)
 #define _FP_FRAC_EQ_2(X, Y)	(X##_f1 == Y##_f1 && X##_f0 == Y##_f0)
 #define _FP_FRAC_GT_2(X, Y)	\
   (X##_f1 > Y##_f1 || X##_f1 == Y##_f1 && X##_f0 > Y##_f0)
diff --git a/soft-fp/op-4.h b/soft-fp/op-4.h
index 82009000ec..5e3032e44a 100644
--- a/soft-fp/op-4.h
+++ b/soft-fp/op-4.h
@@ -129,6 +129,7 @@
 #define _FP_FRAC_ZEROP_4(X)     ((X##_f[0] | X##_f[1] | X##_f[2] | X##_f[3]) == 0)
 #define _FP_FRAC_NEGP_4(X)      ((_FP_WS_TYPE)X##_f[3] < 0)
 #define _FP_FRAC_OVERP_4(fs,X)  (_FP_FRAC_HIGH_##fs(X) & _FP_OVERFLOW_##fs)
+#define _FP_FRAC_CLEAR_OVERP_4(fs,X)  (_FP_FRAC_HIGH_##fs(X) &= ~_FP_OVERFLOW_##fs)
 
 #define _FP_FRAC_EQ_4(X,Y)				\
  (X##_f[0] == Y##_f[0] && X##_f[1] == Y##_f[1]		\
diff --git a/soft-fp/op-common.h b/soft-fp/op-common.h
index 012e76f0b7..232604e74a 100644
--- a/soft-fp/op-common.h
+++ b/soft-fp/op-common.h
@@ -89,11 +89,10 @@ do {								\
 	_FP_ROUND(wc, X);					\
 	if (_FP_FRAC_OVERP_##wc(fs, X))				\
 	  {							\
-	    _FP_FRAC_SRL_##wc(X, (_FP_WORKBITS+1));		\
+	    _FP_FRAC_CLEAR_OVERP_##wc(fs, X);			\
 	    X##_e++;						\
 	  }							\
-	else							\
-	  _FP_FRAC_SRL_##wc(X, _FP_WORKBITS);			\
+	_FP_FRAC_SRL_##wc(X, _FP_WORKBITS);			\
 	if (X##_e >= _FP_EXPMAX_##fs)				\
 	  {							\
 	    /* overflow */					\
@@ -682,25 +681,27 @@ do {									\
   do {									\
     if (r)								\
       {									\
+        unsigned rtype ur_;						\
 	X##_c = FP_CLS_NORMAL;						\
 									\
 	if ((X##_s = (r < 0)))						\
 	  r = -r;							\
 									\
+	ur_ = (unsigned rtype) r;					\
 	if (rsize <= _FP_W_TYPE_SIZE)					\
-	  __FP_CLZ(X##_e, r);						\
+	  __FP_CLZ(X##_e, ur_);						\
 	else								\
-	  __FP_CLZ_2(X##_e, (_FP_W_TYPE)(r >> _FP_W_TYPE_SIZE), 	\
-		     (_FP_W_TYPE)r);					\
+	  __FP_CLZ_2(X##_e, (_FP_W_TYPE)(ur_ >> _FP_W_TYPE_SIZE), 	\
+		     (_FP_W_TYPE)ur_);					\
 	if (rsize < _FP_W_TYPE_SIZE)					\
 		X##_e -= (_FP_W_TYPE_SIZE - rsize);			\
 	X##_e = rsize - X##_e - 1;					\
 									\
 	if (_FP_FRACBITS_##fs < rsize && _FP_WFRACBITS_##fs < X##_e)	\
-	  __FP_FRAC_SRS_1(r, (X##_e - _FP_WFRACBITS_##fs), rsize);	\
-	r &= ~((rtype)1 << X##_e);					\
-	_FP_FRAC_DISASSEMBLE_##wc(X, ((unsigned rtype)r), rsize);	\
-	_FP_FRAC_SLL_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 1));		\
+	  __FP_FRAC_SRS_1(ur_, (X##_e - _FP_WFRACBITS_##fs + 1), rsize);\
+	_FP_FRAC_DISASSEMBLE_##wc(X, ur_, rsize);			\
+	if ((_FP_WFRACBITS_##fs - X##_e - 1) > 0)			\
+	  _FP_FRAC_SLL_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 1));	\
       }									\
     else								\
       {									\