According to Bob Supnik (who is a very authoritative source on VAX),
> Funny you should ask. The short answer is no. No VAX ever did
> speculative or out of order execution.
As such, marking VAX as not needing speculation barriers.
PR target/86811
* config/vax/vax.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
Define to speculation_safe_value_not_needed.
---
gcc/config/vax/vax.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gcc/config/vax/vax.c b/gcc/config/vax/vax.c
index 1c220ff..fe5f04e 100644
--- a/gcc/config/vax/vax.c
+++ b/gcc/config/vax/vax.c
@@ -121,6 +121,9 @@ static HOST_WIDE_INT vax_starting_frame_offset (void);
#undef TARGET_STARTING_FRAME_OFFSET
#define TARGET_STARTING_FRAME_OFFSET vax_starting_frame_offset
+#undef TARGET_HAVE_SPECULATION_SAFE_VALUE
+#define TARGET_HAVE_SPECULATION_SAFE_VALUE speculation_safe_value_not_needed
+
struct gcc_target targetm = TARGET_INITIALIZER;
/* Set global variables as needed for the options enabled. */
--
