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* [gcc r13-5491] riscv: Enable -fasynchronous-unwind-tables by default on Linux
@ 2023-01-30 9:47 Andreas Schwab
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From: Andreas Schwab @ 2023-01-30 9:47 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:3cd08f7168c196d7a481b9ed9f4289fd1f14eea8
commit r13-5491-g3cd08f7168c196d7a481b9ed9f4289fd1f14eea8
Author: Andreas Schwab <schwab@suse.de>
Date: Wed Jan 25 12:00:09 2023 +0100
riscv: Enable -fasynchronous-unwind-tables by default on Linux
This follows the example of aarch64.
gcc/:
* common/config/riscv/riscv-common.cc
(riscv_option_optimization_table)
[TARGET_DEFAULT_ASYNC_UNWIND_TABLES]: Enable
-fasynchronous-unwind-tables and -funwind-tables.
* config.gcc (riscv*-*-linux*): Define
TARGET_DEFAULT_ASYNC_UNWIND_TABLES.
Diff:
---
gcc/common/config/riscv/riscv-common.cc | 4 ++++
gcc/config.gcc | 1 +
2 files changed, 5 insertions(+)
diff --git a/gcc/common/config/riscv/riscv-common.cc b/gcc/common/config/riscv/riscv-common.cc
index 2e3116e7673..616e2f897b9 100644
--- a/gcc/common/config/riscv/riscv-common.cc
+++ b/gcc/common/config/riscv/riscv-common.cc
@@ -1756,6 +1756,10 @@ static const struct default_options riscv_option_optimization_table[] =
{
{ OPT_LEVELS_1_PLUS, OPT_fsection_anchors, NULL, 1 },
{ 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 }
};
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 89f56047cfe..744b46fb3b0 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -2417,6 +2417,7 @@ riscv*-*-linux*)
*) echo "Unknown value for enable_multilib"; exit 1
esac
tmake_file="${tmake_file} riscv/t-riscv riscv/t-linux"
+ tm_defines="${tm_defines} TARGET_DEFAULT_ASYNC_UNWIND_TABLES=1"
gnu_ld=yes
gas=yes
case $target in
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