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| author | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-10-10 12:31:51 +0000 |
|---|---|---|
| committer | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-10-10 12:31:51 +0000 |
| commit | c71e113d9668fc24c59534059f862cc49c6e7bd7 (patch) | |
| tree | 366c4e2d8d4f0378048b202f73cc4c8523cbc051 /gcc/config | |
| parent | aa96b5752410cf5488f172365b5e04e860a232b6 (diff) | |
| download | gcc-c71e113d9668fc24c59534059f862cc49c6e7bd7.tar.gz | |
[AArch64] Add --enable-fix-cortex-a53-835769 configure-time option
* configure.ac: Add --enable-fix-cortex-a53-835769 option.
* configure: Regenerate.
* config/aarch64/aarch64.c (aarch64_override_options): Handle
TARGET_FIX_ERR_A53_835769_DEFAULT.
* config/aarch64/aarch64.opt (mfix-cortex-a53-835769): Set Init
value to 2.
* doc/install.texi (aarch64*-*-*): Document
new --enable-fix-cortex-a53-835769 option.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@216076 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 9 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.opt | 2 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 76a2480582a..db5ff59d92a 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -6387,6 +6387,15 @@ aarch64_override_options (void) aarch64_tune = selected_tune->core; aarch64_tune_params = selected_tune->tune; + if (aarch64_fix_a53_err835769 == 2) + { +#ifdef TARGET_FIX_ERR_A53_835769_DEFAULT + aarch64_fix_a53_err835769 = 1; +#else + aarch64_fix_a53_err835769 = 0; +#endif + } + aarch64_override_options_after_change (); } diff --git a/gcc/config/aarch64/aarch64.opt b/gcc/config/aarch64/aarch64.opt index 77deb2e7d36..fc0307e2869 100644 --- a/gcc/config/aarch64/aarch64.opt +++ b/gcc/config/aarch64/aarch64.opt @@ -68,7 +68,7 @@ Target Report RejectNegative Mask(GENERAL_REGS_ONLY) Generate code which uses only the general registers mfix-cortex-a53-835769 -Target Report Var(aarch64_fix_a53_err835769) Init(0) +Target Report Var(aarch64_fix_a53_err835769) Init(2) Workaround for ARM Cortex-A53 Erratum number 835769 mlittle-endian |