From 9a3c40af7f7dd218cc2ebaa3a70f3317f7316ceb Mon Sep 17 00:00:00 2001 From: Georg-Johann Lay Date: Thu, 23 Nov 2023 19:02:47 +0100 Subject: [PATCH] AVR: PR target/86776: Implement CVE-2017-5753. gcc/ PR target/86776 * config/avr/avr.cc (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. --- gcc/config/avr/avr.cc | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/gcc/config/avr/avr.cc b/gcc/config/avr/avr.cc index c3e0995dfc3b..a297f4e092a8 100644 --- a/gcc/config/avr/avr.cc +++ b/gcc/config/avr/avr.cc @@ -15309,6 +15309,12 @@ avr_float_lib_compare_returns_bool (machine_mode mode, enum rtx_code) #undef TARGET_CANONICALIZE_COMPARISON #define TARGET_CANONICALIZE_COMPARISON avr_canonicalize_comparison +/* According to the opening comment in PR86772, the following applies: + "If the port does not (and never will in the future) need to mitigate + against unsafe speculation." */ +#undef TARGET_HAVE_SPECULATION_SAFE_VALUE +#define TARGET_HAVE_SPECULATION_SAFE_VALUE speculation_safe_value_not_needed + struct gcc_target targetm = TARGET_INITIALIZER; -- 2.47.2