diff options
Diffstat (limited to 'toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99307.patch')
| -rw-r--r-- | toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99307.patch | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99307.patch b/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99307.patch deleted file mode 100644 index 9c936d4fad..0000000000 --- a/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99307.patch +++ /dev/null @@ -1,138 +0,0 @@ -2010-07-12 Yao Qi <yao@codesourcery.com> - - Merge from Sourcery G++ 4.4: - - 2009-10-06 Paul Brook <paul@codesourcery.com> - Issue #3869 - gcc/ - * target.h (gcc_target): Add warn_func_result. - * target-def.h (TARGET_WARN_FUNC_RESULT): Define and use. - * tree-cfg.h (execute_warn_function_return): Use - targetm.warn_func_result. - * config/arm/arm.c (TARGET_WARN_FUNC_RESULT): Define. - (arm_warn_func_result): New function. - - gcc/testuite/ - * gcc.target/arm/naked-3.c: New test. - - 2010-07-10 Sandra Loosemore <sandra@codesourcery.com> - - Backport from mainline: - -=== modified file 'gcc/config/arm/arm.c' ---- old/gcc/config/arm/arm.c 2010-07-29 16:58:56 +0000 -+++ new/gcc/config/arm/arm.c 2010-07-30 13:58:02 +0000 -@@ -214,6 +214,7 @@ - static int arm_issue_rate (void); - static void arm_output_dwarf_dtprel (FILE *, int, rtx) ATTRIBUTE_UNUSED; - static bool arm_allocate_stack_slots_for_args (void); -+static bool arm_warn_func_result (void); - static const char *arm_invalid_parameter_type (const_tree t); - static const char *arm_invalid_return_type (const_tree t); - static tree arm_promoted_type (const_tree t); -@@ -378,6 +379,9 @@ - #undef TARGET_TRAMPOLINE_ADJUST_ADDRESS - #define TARGET_TRAMPOLINE_ADJUST_ADDRESS arm_trampoline_adjust_address - -+#undef TARGET_WARN_FUNC_RESULT -+#define TARGET_WARN_FUNC_RESULT arm_warn_func_result -+ - #undef TARGET_DEFAULT_SHORT_ENUMS - #define TARGET_DEFAULT_SHORT_ENUMS arm_default_short_enums - -@@ -2008,6 +2012,14 @@ - return !IS_NAKED (arm_current_func_type ()); - } - -+static bool -+arm_warn_func_result (void) -+{ -+ /* Naked functions are implemented entirely in assembly, including the -+ return sequence, so suppress warnings about this. */ -+ return !IS_NAKED (arm_current_func_type ()); -+} -+ - - /* Output assembler code for a block containing the constant parts - of a trampoline, leaving space for the variable parts. - -=== modified file 'gcc/target-def.h' ---- old/gcc/target-def.h 2010-03-24 20:44:48 +0000 -+++ new/gcc/target-def.h 2010-07-30 13:58:02 +0000 -@@ -212,6 +212,10 @@ - #define TARGET_EXTRA_LIVE_ON_ENTRY hook_void_bitmap - #endif - -+#ifndef TARGET_WARN_FUNC_RESULT -+#define TARGET_WARN_FUNC_RESULT hook_bool_void_true -+#endif -+ - #ifndef TARGET_ASM_FILE_START_APP_OFF - #define TARGET_ASM_FILE_START_APP_OFF false - #endif -@@ -1020,6 +1024,7 @@ - TARGET_EMUTLS, \ - TARGET_OPTION_HOOKS, \ - TARGET_EXTRA_LIVE_ON_ENTRY, \ -+ TARGET_WARN_FUNC_RESULT, \ - TARGET_UNWIND_TABLES_DEFAULT, \ - TARGET_HAVE_NAMED_SECTIONS, \ - TARGET_HAVE_SWITCHABLE_BSS_SECTIONS, \ - -=== modified file 'gcc/target.h' ---- old/gcc/target.h 2010-03-27 10:27:39 +0000 -+++ new/gcc/target.h 2010-07-30 13:58:02 +0000 -@@ -1171,6 +1171,10 @@ - bits in the bitmap passed in. */ - void (*live_on_entry) (bitmap); - -+ /* Return false if warnings about missing return statements or suspect -+ noreturn attributes should be suppressed for the current function. */ -+ bool (*warn_func_result) (void); -+ - /* True if unwinding tables should be generated by default. */ - bool unwind_tables_default; - - -=== added file 'gcc/testsuite/gcc.target/arm/naked-3.c' ---- old/gcc/testsuite/gcc.target/arm/naked-3.c 1970-01-01 00:00:00 +0000 -+++ new/gcc/testsuite/gcc.target/arm/naked-3.c 2010-07-30 13:58:02 +0000 -@@ -0,0 +1,15 @@ -+/* { dg-do compile } */ -+/* { dg-options "-O2 -Wall" } */ -+/* Check that we do not get warnings about missing return statements -+ or bogus looking noreturn functions. */ -+int __attribute__((naked)) -+foo(void) -+{ -+ __asm__ volatile ("mov r0, #1\r\nbx lr\n"); -+} -+ -+int __attribute__((naked,noreturn)) -+bar(void) -+{ -+ __asm__ volatile ("frob r0\n"); -+} - -=== modified file 'gcc/tree-cfg.c' ---- old/gcc/tree-cfg.c 2010-03-16 12:31:38 +0000 -+++ new/gcc/tree-cfg.c 2010-07-30 13:58:02 +0000 -@@ -47,6 +47,7 @@ - #include "value-prof.h" - #include "pointer-set.h" - #include "tree-inline.h" -+#include "target.h" - - /* This file contains functions for building the Control Flow Graph (CFG) - for a function tree. */ -@@ -7092,6 +7093,9 @@ - edge e; - edge_iterator ei; - -+ if (!targetm.warn_func_result()) -+ return 0; -+ - /* If we have a path to EXIT, then we do return. */ - if (TREE_THIS_VOLATILE (cfun->decl) - && EDGE_COUNT (EXIT_BLOCK_PTR->preds) > 0) - |