Given that the 128-bit version of the riscv spec adds new instructions, and
that some instructions that were previously only available in 64-bit mode
are now available for both 64-bit and 128-bit, we added new macros to check
for the processor mode during translation.
Although RV128 is a superset of RV64, we keep for now the RV64 only tests
for extensions other than RVI and RVM.

Signed-off-by: Frédéric Pétrot <frederic.pet...@univ-grenoble-alpes.fr>
Co-authored-by: Fabien Portas <fabien.por...@grenoble-inp.org>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Alistair Francis <alistair.fran...@wdc.com>
---
 target/riscv/translate.c | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index 1d57bc97b5..2718ff15a1 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -368,10 +368,22 @@ EX_SH(12)
     }                              \
 } while (0)
 
-#define REQUIRE_64BIT(ctx) do {    \
-    if (get_xl(ctx) < MXL_RV64) {  \
-        return false;              \
-    }                              \
+#define REQUIRE_64BIT(ctx) do {     \
+    if (get_xl(ctx) != MXL_RV64) {  \
+        return false;               \
+    }                               \
+} while (0)
+
+#define REQUIRE_128BIT(ctx) do {    \
+    if (get_xl(ctx) != MXL_RV128) { \
+        return false;               \
+    }                               \
+} while (0)
+
+#define REQUIRE_64_OR_128BIT(ctx) do { \
+    if (get_xl(ctx) == MXL_RV32) {     \
+        return false;                  \
+    }                                  \
 } while (0)
 
 static int ex_rvc_register(DisasContext *ctx, int reg)
-- 
2.34.1


Reply via email to