diff mbox series

[PULL,15/33] target/riscv: Replace is_32bit with get_xl/get_xlen

Message ID 20211022133812.3972903-16-alistair.francis@opensource.wdc.com
State New
Headers show
Series None | expand

Commit Message

Alistair Francis Oct. 22, 2021, 1:37 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>


In preparation for RV128, replace a simple predicate
with a more versatile test.

Reviewed-by: LIU Zhiwei <zhiwei_liu@c-sky.com>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Message-id: 20211020031709.359469-9-richard.henderson@linaro.org
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

---
 target/riscv/translate.c | 31 +++++++++++++++++--------------
 1 file changed, 17 insertions(+), 14 deletions(-)

-- 
2.31.1
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Patch

diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index 77cad9bc45..d0ba54091e 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -91,15 +91,18 @@  static inline bool has_ext(DisasContext *ctx, uint32_t ext)
 }
 
 #ifdef TARGET_RISCV32
-# define is_32bit(ctx)  true
+#define get_xl(ctx)    MXL_RV32
 #elif defined(CONFIG_USER_ONLY)
-# define is_32bit(ctx)  false
+#define get_xl(ctx)    MXL_RV64
 #else
-static inline bool is_32bit(DisasContext *ctx)
+#define get_xl(ctx)    ((ctx)->xl)
+#endif
+
+/* The word size for this machine mode. */
+static inline int __attribute__((unused)) get_xlen(DisasContext *ctx)
 {
-    return ctx->xl == MXL_RV32;
+    return 16 << get_xl(ctx);
 }
-#endif
 
 /* The word size for this operation. */
 static inline int oper_len(DisasContext *ctx)
@@ -257,7 +260,7 @@  static void gen_jal(DisasContext *ctx, int rd, target_ulong imm)
 static void mark_fs_dirty(DisasContext *ctx)
 {
     TCGv tmp;
-    target_ulong sd = is_32bit(ctx) ? MSTATUS32_SD : MSTATUS64_SD;
+    target_ulong sd = get_xl(ctx) == MXL_RV32 ? MSTATUS32_SD : MSTATUS64_SD;
 
     if (ctx->mstatus_fs != MSTATUS_FS) {
         /* Remember the state change for the rest of the TB. */
@@ -316,16 +319,16 @@  EX_SH(12)
     }                              \
 } while (0)
 
-#define REQUIRE_32BIT(ctx) do { \
-    if (!is_32bit(ctx)) {       \
-        return false;           \
-    }                           \
+#define REQUIRE_32BIT(ctx) do {    \
+    if (get_xl(ctx) != MXL_RV32) { \
+        return false;              \
+    }                              \
 } while (0)
 
-#define REQUIRE_64BIT(ctx) do { \
-    if (is_32bit(ctx)) {        \
-        return false;           \
-    }                           \
+#define REQUIRE_64BIT(ctx) do {    \
+    if (get_xl(ctx) < MXL_RV64) {  \
+        return false;              \
+    }                              \
 } while (0)
 
 static int ex_rvc_register(DisasContext *ctx, int reg)