This fixes 'non-delegitimized UNSPEC 3 found in variable location' notes
issued when building libraries which interferes with running tests.
2020-05-24 Max Filippov <jcmvb...@gmail.com>
gcc/
* config/xtensa/xtensa.c (xtensa_delegitimize_address): New
function.
(TARGET_DELEGITIMIZE_ADDRESS): New macro.
---
gcc/config/xtensa/xtensa.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
index 5696951fb655..e3afb70cdf04 100644
--- a/gcc/config/xtensa/xtensa.c
+++ b/gcc/config/xtensa/xtensa.c
@@ -188,6 +188,8 @@ static bool xtensa_can_eliminate (const int from
ATTRIBUTE_UNUSED,
static HOST_WIDE_INT xtensa_starting_frame_offset (void);
static unsigned HOST_WIDE_INT xtensa_asan_shadow_offset (void);
+static rtx xtensa_delegitimize_address (rtx);
+
/* These hooks specify assembly directives for creating certain kinds
@@ -338,6 +340,9 @@ static unsigned HOST_WIDE_INT xtensa_asan_shadow_offset
(void);
#undef TARGET_HAVE_SPECULATION_SAFE_VALUE
#define TARGET_HAVE_SPECULATION_SAFE_VALUE speculation_safe_value_not_needed
+#undef TARGET_DELEGITIMIZE_ADDRESS
+#define TARGET_DELEGITIMIZE_ADDRESS xtensa_delegitimize_address
+
struct gcc_target targetm = TARGET_INITIALIZER;
@@ -4440,4 +4445,23 @@ xtensa_asan_shadow_offset (void)
return HOST_WIDE_INT_UC (0x10000000);
}
+static rtx
+xtensa_delegitimize_address (rtx op)
+{
+ switch (GET_CODE (op))
+ {
+ case CONST:
+ return xtensa_delegitimize_address (XEXP (op, 0));
+
+ case UNSPEC:
+ if (XINT (op, 1) == UNSPEC_PLT)
+ return XVECEXP(op, 0, 0);
+ break;
+
+ default:
+ break;
+ }
+ return op;
+}
+
#include "gt-xtensa.h"
--
2.20.1
