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2014-04-07 Richard Henderson <rth@redhat.com>
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* common/config/aarch64/aarch64-common.c (TARGET_OPTION_INIT_STRUCT):
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Define.
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(aarch64_option_init_struct): New function.
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--- gcc/common/config/aarch64/aarch64-common.c
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+++ gcc/common/config/aarch64/aarch64-common.c
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@@ -39,6 +39,9 @@
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#undef TARGET_OPTION_OPTIMIZATION_TABLE
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#define TARGET_OPTION_OPTIMIZATION_TABLE aarch_option_optimization_table
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+#undef TARGET_OPTION_INIT_STRUCT
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+#define TARGET_OPTION_INIT_STRUCT aarch64_option_init_struct
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+
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/* Set default optimization options. */
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static const struct default_options aarch_option_optimization_table[] =
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{
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@@ -47,6 +50,16 @@ static const struct default_options aarch_option_optimization_table[] =
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{ OPT_LEVELS_NONE, 0, NULL, 0 }
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};
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+/* Implement TARGET_OPTION_INIT_STRUCT. */
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+
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+static void
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+aarch64_option_init_struct (struct gcc_options *opts)
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+{
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+ /* By default, always emit DWARF-2 unwind info. This allows debugging
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+ without maintaining a stack frame back-chain. */
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+ opts->x_flag_asynchronous_unwind_tables = 1;
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+}
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+
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/* Implement TARGET_HANDLE_OPTION.
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This function handles the target specific options for CPU/target selection.
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