This is at par with other major arches such as aarch64, i386, s390 ...
No testsuite regressions: same numbers w/ w/o
| === gcc Summary ===
|
|# of expected passes 113392
|# of unexpected failures 27
|# of unexpected successes 3
|# of expected failures 605
|# of unsupported tests 2523
|
| === g++ Summary ===
|
|# of expected passes 172997
|# of unexpected failures 26
|# of expected failures 706
|# of unsupported tests 9566
Signed-off-by: Vineet Gupta <vine...@rivosinc.com>
---
gcc/config/riscv/predicates.md | 2 +-
gcc/config/riscv/riscv.c | 6 ++++++
gcc/config/riscv/riscv.h | 2 ++
3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/gcc/config/riscv/predicates.md b/gcc/config/riscv/predicates.md
index 3da6fd4c0491..cf902229954b 100644
--- a/gcc/config/riscv/predicates.md
+++ b/gcc/config/riscv/predicates.md
@@ -52,7 +52,7 @@
(match_test "INTVAL (op) + 1 != 0")))
(define_predicate "const_0_operand"
- (and (match_code "const_int,const_wide_int,const_double,const_vector")
+ (and (match_code "const_int,const_wide_int,const_vector")
(match_test "op == CONST0_RTX (GET_MODE (op))")))
(define_predicate "reg_or_0_operand"
diff --git a/gcc/config/riscv/riscv.c b/gcc/config/riscv/riscv.c
index c830cd8f4ad1..d2f2d9e0276f 100644
--- a/gcc/config/riscv/riscv.c
+++ b/gcc/config/riscv/riscv.c
@@ -1774,6 +1774,12 @@ riscv_rtx_costs (rtx x, machine_mode mode, int
outer_code, int opno ATTRIBUTE_UN
case SYMBOL_REF:
case LABEL_REF:
case CONST_DOUBLE:
+ /* With TARGET_SUPPORTS_WIDE_INT const int can't be in CONST_DOUBLE
+ rtl object. Weird recheck due to switch-case fall through above. */
+ if (GET_CODE (x) == CONST_DOUBLE)
+ gcc_assert (GET_MODE (x) != VOIDmode);
+ /* Fall through. */
+
case CONST:
if ((cost = riscv_const_insns (x)) > 0)
{
diff --git a/gcc/config/riscv/riscv.h b/gcc/config/riscv/riscv.h
index ff6729aedac2..91cfc82b4aa4 100644
--- a/gcc/config/riscv/riscv.h
+++ b/gcc/config/riscv/riscv.h
@@ -997,4 +997,6 @@ extern void riscv_remove_unneeded_save_restore_calls (void);
#define HARD_REGNO_RENAME_OK(FROM, TO) riscv_hard_regno_rename_ok (FROM, TO)
+#define TARGET_SUPPORTS_WIDE_INT 1
+
#endif /* ! GCC_RISCV_H */
--
2.32.0
