+2011-01-18 Richard Guenther <rguenther@suse.de>
+
+ PR rtl-optimization/47216
+ * emit-rtl.c: Include tree-flow.h.
+ (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
+ of replicating it with different semantics.
+ * Makefile.in (emit-rtl.o): Adjust.
+
2011-01-18 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
* config/arm/cortex-a9.md (cortex-a9-neon.md): Actually
$(TREE_H) $(FLAGS_H) $(FUNCTION_H) $(REGS_H) insn-config.h $(RECOG_H) \
$(GGC_H) $(EXPR_H) hard-reg-set.h $(BITMAP_H) $(DIAGNOSTIC_CORE_H) $(BASIC_BLOCK_H) \
$(HASHTAB_H) $(TM_P_H) debug.h langhooks.h $(TREE_PASS_H) gt-emit-rtl.h \
- $(DF_H) $(PARAMS_H) $(TARGET_H)
+ $(DF_H) $(PARAMS_H) $(TARGET_H) $(TREE_FLOW_H)
real.o : real.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
$(DIAGNOSTIC_CORE_H) $(TM_P_H) $(REAL_H) dfp.h realmpfr.h
realmpfr.o : realmpfr.c realmpfr.h $(CONFIG_H) $(SYSTEM_H) $(REAL_H)
#include "df.h"
#include "params.h"
#include "target.h"
+#include "tree-flow.h"
struct target_rtl default_target_rtl;
#if SWITCHABLE_TARGET
|| TREE_CODE (t) == SAVE_EXPR)
t = TREE_OPERAND (t, 0);
- /* We may look through structure-like accesses for the purposes of
- examining TREE_THIS_NOTRAP, but not array-like accesses. */
- base = t;
- while (TREE_CODE (base) == COMPONENT_REF
- || TREE_CODE (base) == REALPART_EXPR
- || TREE_CODE (base) == IMAGPART_EXPR
- || TREE_CODE (base) == BIT_FIELD_REF)
- base = TREE_OPERAND (base, 0);
-
- if (TREE_CODE (base) == MEM_REF
- && TREE_CODE (TREE_OPERAND (base, 0)) == ADDR_EXPR)
- base = TREE_OPERAND (TREE_OPERAND (base, 0), 0);
- if (DECL_P (base))
- {
- if (CODE_CONTAINS_STRUCT (TREE_CODE (base), TS_DECL_WITH_VIS))
- MEM_NOTRAP_P (ref) = !DECL_WEAK (base);
- else
- MEM_NOTRAP_P (ref) = 1;
- }
- else if (TREE_CODE (base) == INDIRECT_REF
- || TREE_CODE (base) == MEM_REF
- || TREE_CODE (base) == TARGET_MEM_REF
- || TREE_CODE (base) == ARRAY_REF
- || TREE_CODE (base) == ARRAY_RANGE_REF)
- MEM_NOTRAP_P (ref) = TREE_THIS_NOTRAP (base);
-
- base = get_base_address (base);
+ /* Note whether this expression can trap. */
+ MEM_NOTRAP_P (ref) = !tree_could_trap_p (t);
+
+ base = get_base_address (t);
if (base && DECL_P (base)
&& TREE_READONLY (base)
&& (TREE_STATIC (base) || DECL_EXTERNAL (base))