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[Patch AArch64] Turn on -fasynchronous-unwind-tables and -funwind-tables by default

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2018-03-27  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config.gcc (aarch64*-*-linux*): New TARGET_DEFAULT_ASYNC_UNWIND_TABLES
	* common/config/aarch64/aarch64-common.c (aarch64_optimization_table[]):
	Turn on fasynchronous-unwind-tables and funwind-tables.

From-SVN: r258871
This commit is contained in:
Ramana Radhakrishnan 2018-03-27 09:26:16 +00:00 committed by Ramana Radhakrishnan
parent e278212eee
commit b39036d234
3 changed files with 11 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-03-27 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
* config.gcc (aarch64*-*-linux*): New TARGET_DEFAULT_ASYNC_UNWIND_TABLES
* common/config/aarch64/aarch64-common.c (aarch64_optimization_table[]):
Turn on fasynchronous-unwind-tables and funwind-tables.
2018-03-26 Uros Bizjak <ubizjak@gmail.com>
PR target/85073

4
gcc/common/config/aarch64/aarch64-common.c
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@ -53,6 +53,10 @@ static const struct default_options aarch_option_optimization_table[] =
{ OPT_LEVELS_1_PLUS, OPT_fsched_pressure, NULL, 1 },
/* Enable redundant extension instructions removal at -O2 and higher. */
{ OPT_LEVELS_2_PLUS, OPT_free, NULL, 1 },
#if (TARGET_DEFAULT_ASYNC_UNWIND_TABLES == 1)
{ OPT_LEVELS_ALL, OPT_fasynchronous_unwind_tables, NULL, 1 },
{ OPT_LEVELS_ALL, OPT_funwind_tables, NULL, 1},
#endif
{ OPT_LEVELS_NONE, 0, NULL, 0 }
};

1
gcc/config.gcc
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@ -983,6 +983,7 @@ aarch64*-*-linux*)
tm_file="${tm_file} dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h"
tm_file="${tm_file} aarch64/aarch64-elf.h aarch64/aarch64-linux.h"
tmake_file="${tmake_file} aarch64/t-aarch64 aarch64/t-aarch64-linux"
tm_defines="${tm_defines} TARGET_DEFAULT_ASYNC_UNWIND_TABLES=1"
case $target in
aarch64_be-*)
tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"