gcc 4.5.x arm: fix v4, pr#43440, pr#44392 and pr#45070

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

1 files changed, 184 insertions, 0 deletions

diff --git a/toolchain/gcc/4.5.1/840-arm-pr45070.patch b/toolchain/gcc/4.5.1/840-arm-pr45070.patch
new file mode 100644
index 000000000..80a573387
--- /dev/null
+++ b/toolchain/gcc/4.5.1/840-arm-pr45070.patch
@@ -0,0 +1,184 @@
+Miscompiled c++ class with packed attribute on ARM with -Os optimizations
+
+http://gcc.gnu.org/PR45070
+https://bugs.gentoo.org/331641
+
+--- a/gcc/Makefile.in
++++ b/gcc/Makefile.in
+@@ -3036,7 +3036,7 @@ tree-switch-conversion.o : tree-switch-conversion.c $(CONFIG_H) $(SYSTEM_H) \
+     $(TREE_H) $(TM_P_H) $(TREE_FLOW_H) $(DIAGNOSTIC_H) $(TREE_INLINE_H) \
+     $(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) $(GIMPLE_H) \
+     $(TREE_PASS_H) $(FLAGS_H) $(EXPR_H) $(BASIC_BLOCK_H) output.h \
+-    $(GGC_H) $(OBSTACK_H) $(PARAMS_H) $(CPPLIB_H) $(PARAMS_H)
++    $(GGC_H) $(OBSTACK_H) $(PARAMS_H) $(CPPLIB_H) $(PARAMS_H) langhooks.h
+ tree-complex.o : tree-complex.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TREE_H) \
+     $(TM_H) $(RTL_H) $(REAL_H) $(FLAGS_H) $(TREE_FLOW_H) $(GIMPLE_H) \
+     tree-iterator.h $(TREE_PASS_H) tree-ssa-propagate.h $(DIAGNOSTIC_H)
+--- a/gcc/config/arm/arm.c
++++ b/gcc/config/arm/arm.c
+@@ -13705,7 +13705,8 @@ arm_output_epilogue (rtx sibling)
+ 		  && !crtl->tail_call_emit)
+ 		{
+ 		  unsigned long mask;
+-		  mask = (1 << (arm_size_return_regs() / 4)) - 1;
++                  /* Preserve return values, of any size.  */
++		  mask = (1 << ((arm_size_return_regs() + 3) / 4)) - 1;
+ 		  mask ^= 0xf;
+ 		  mask &= ~saved_regs_mask;
+ 		  reg = 0;
+--- a/gcc/config/arm/linux-atomic.c
++++ b/gcc/config/arm/linux-atomic.c
+@@ -56,7 +56,7 @@ typedef void (__kernel_dmb_t) (void);
+ 									\
+     do {								\
+       tmp = *ptr;							\
+-      failure = __kernel_cmpxchg (tmp, PFX_OP tmp INF_OP val, ptr);	\
++      failure = __kernel_cmpxchg (tmp, PFX_OP (tmp INF_OP val), ptr);	\
+     } while (failure != 0);						\
+ 									\
+     return tmp;								\
+@@ -88,8 +88,8 @@ FETCH_AND_OP_WORD (nand, ~, &)
+ 									\
+     do {								\
+       oldval = *wordptr;						\
+-      newval = ((PFX_OP ((oldval & mask) >> shift)			\
+-                 INF_OP (unsigned int) val) << shift) & mask;		\
++      newval = ((PFX_OP (((oldval & mask) >> shift)			\
++			 INF_OP (unsigned int) val)) << shift) & mask;	\
+       newval |= oldval & ~mask;						\
+       failure = __kernel_cmpxchg (oldval, newval, wordptr);		\
+     } while (failure != 0);						\
+@@ -97,19 +97,19 @@ FETCH_AND_OP_WORD (nand, ~, &)
+     return (RETURN & mask) >> shift;					\
+   }
+ 
+-SUBWORD_SYNC_OP (add,   , +, short, 2, oldval)
+-SUBWORD_SYNC_OP (sub,   , -, short, 2, oldval)
+-SUBWORD_SYNC_OP (or,    , |, short, 2, oldval)
+-SUBWORD_SYNC_OP (and,   , &, short, 2, oldval)
+-SUBWORD_SYNC_OP (xor,   , ^, short, 2, oldval)
+-SUBWORD_SYNC_OP (nand, ~, &, short, 2, oldval)
++SUBWORD_SYNC_OP (add,   , +, unsigned short, 2, oldval)
++SUBWORD_SYNC_OP (sub,   , -, unsigned short, 2, oldval)
++SUBWORD_SYNC_OP (or,    , |, unsigned short, 2, oldval)
++SUBWORD_SYNC_OP (and,   , &, unsigned short, 2, oldval)
++SUBWORD_SYNC_OP (xor,   , ^, unsigned short, 2, oldval)
++SUBWORD_SYNC_OP (nand, ~, &, unsigned short, 2, oldval)
+ 
+-SUBWORD_SYNC_OP (add,   , +, char, 1, oldval)
+-SUBWORD_SYNC_OP (sub,   , -, char, 1, oldval)
+-SUBWORD_SYNC_OP (or,    , |, char, 1, oldval)
+-SUBWORD_SYNC_OP (and,   , &, char, 1, oldval)
+-SUBWORD_SYNC_OP (xor,   , ^, char, 1, oldval)
+-SUBWORD_SYNC_OP (nand, ~, &, char, 1, oldval)
++SUBWORD_SYNC_OP (add,   , +, unsigned char, 1, oldval)
++SUBWORD_SYNC_OP (sub,   , -, unsigned char, 1, oldval)
++SUBWORD_SYNC_OP (or,    , |, unsigned char, 1, oldval)
++SUBWORD_SYNC_OP (and,   , &, unsigned char, 1, oldval)
++SUBWORD_SYNC_OP (xor,   , ^, unsigned char, 1, oldval)
++SUBWORD_SYNC_OP (nand, ~, &, unsigned char, 1, oldval)
+ 
+ #define OP_AND_FETCH_WORD(OP, PFX_OP, INF_OP)				\
+   int HIDDEN								\
+@@ -119,10 +119,10 @@ SUBWORD_SYNC_OP (nand, ~, &, char, 1, oldval)
+ 									\
+     do {								\
+       tmp = *ptr;							\
+-      failure = __kernel_cmpxchg (tmp, PFX_OP tmp INF_OP val, ptr);	\
++      failure = __kernel_cmpxchg (tmp, PFX_OP (tmp INF_OP val), ptr);	\
+     } while (failure != 0);						\
+ 									\
+-    return PFX_OP tmp INF_OP val;					\
++    return PFX_OP (tmp INF_OP val);					\
+   }
+ 
+ OP_AND_FETCH_WORD (add,   , +)
+@@ -132,19 +132,19 @@ OP_AND_FETCH_WORD (and,   , &)
+ OP_AND_FETCH_WORD (xor,   , ^)
+ OP_AND_FETCH_WORD (nand, ~, &)
+ 
+-SUBWORD_SYNC_OP (add,   , +, short, 2, newval)
+-SUBWORD_SYNC_OP (sub,   , -, short, 2, newval)
+-SUBWORD_SYNC_OP (or,    , |, short, 2, newval)
+-SUBWORD_SYNC_OP (and,   , &, short, 2, newval)
+-SUBWORD_SYNC_OP (xor,   , ^, short, 2, newval)
+-SUBWORD_SYNC_OP (nand, ~, &, short, 2, newval)
++SUBWORD_SYNC_OP (add,   , +, unsigned short, 2, newval)
++SUBWORD_SYNC_OP (sub,   , -, unsigned short, 2, newval)
++SUBWORD_SYNC_OP (or,    , |, unsigned short, 2, newval)
++SUBWORD_SYNC_OP (and,   , &, unsigned short, 2, newval)
++SUBWORD_SYNC_OP (xor,   , ^, unsigned short, 2, newval)
++SUBWORD_SYNC_OP (nand, ~, &, unsigned short, 2, newval)
+ 
+-SUBWORD_SYNC_OP (add,   , +, char, 1, newval)
+-SUBWORD_SYNC_OP (sub,   , -, char, 1, newval)
+-SUBWORD_SYNC_OP (or,    , |, char, 1, newval)
+-SUBWORD_SYNC_OP (and,   , &, char, 1, newval)
+-SUBWORD_SYNC_OP (xor,   , ^, char, 1, newval)
+-SUBWORD_SYNC_OP (nand, ~, &, char, 1, newval)
++SUBWORD_SYNC_OP (add,   , +, unsigned char, 1, newval)
++SUBWORD_SYNC_OP (sub,   , -, unsigned char, 1, newval)
++SUBWORD_SYNC_OP (or,    , |, unsigned char, 1, newval)
++SUBWORD_SYNC_OP (and,   , &, unsigned char, 1, newval)
++SUBWORD_SYNC_OP (xor,   , ^, unsigned char, 1, newval)
++SUBWORD_SYNC_OP (nand, ~, &, unsigned char, 1, newval)
+ 
+ int HIDDEN
+ __sync_val_compare_and_swap_4 (int *ptr, int oldval, int newval)
+@@ -194,8 +194,8 @@ __sync_val_compare_and_swap_4 (int *ptr, int oldval, int newval)
+       }									\
+   }
+ 
+-SUBWORD_VAL_CAS (short, 2)
+-SUBWORD_VAL_CAS (char,  1)
++SUBWORD_VAL_CAS (unsigned short, 2)
++SUBWORD_VAL_CAS (unsigned char,  1)
+ 
+ typedef unsigned char bool;
+ 
+@@ -216,8 +216,8 @@ __sync_bool_compare_and_swap_4 (int *ptr, int oldval, int newval)
+     return (oldval == actual_oldval);					\
+   }
+ 
+-SUBWORD_BOOL_CAS (short, 2)
+-SUBWORD_BOOL_CAS (char,  1)
++SUBWORD_BOOL_CAS (unsigned short, 2)
++SUBWORD_BOOL_CAS (unsigned char,  1)
+ 
+ void HIDDEN
+ __sync_synchronize (void)
+@@ -259,8 +259,8 @@ __sync_lock_test_and_set_4 (int *ptr, int val)
+     return (oldval & mask) >> shift;					\
+   }
+ 
+-SUBWORD_TEST_AND_SET (short, 2)
+-SUBWORD_TEST_AND_SET (char,  1)
++SUBWORD_TEST_AND_SET (unsigned short, 2)
++SUBWORD_TEST_AND_SET (unsigned char,  1)
+ 
+ #define SYNC_LOCK_RELEASE(TYPE, WIDTH)					\
+   void HIDDEN								\
+--- a/gcc/tree-switch-conversion.c
++++ b/gcc/tree-switch-conversion.c
+@@ -96,6 +96,7 @@ eight) times the number of the actual switch branches. */
+ #include "diagnostic.h"
+ #include "tree-dump.h"
+ #include "timevar.h"
++#include "langhooks.h"
+ 
+ /* The main structure of the pass.  */
+ struct switch_conv_info
+@@ -693,9 +694,11 @@ gen_inbound_check (gimple swtch)
+ 
+   /* Make sure we do not generate arithmetics in a subrange.  */
+   if (TREE_TYPE (TREE_TYPE (info.index_expr)))
+-    utype = unsigned_type_for (TREE_TYPE (TREE_TYPE (info.index_expr)));
++    utype = lang_hooks.types.type_for_mode
++      (TYPE_MODE (TREE_TYPE (TREE_TYPE (info.index_expr))), 1);
+   else
+-    utype = unsigned_type_for (TREE_TYPE (info.index_expr));
++    utype = lang_hooks.types.type_for_mode
++      (TYPE_MODE (TREE_TYPE (info.index_expr)), 1);
+ 
+   /* (end of) block 0 */
+   gsi = gsi_for_stmt (info.arr_ref_first);