From 905b9fcde1fb84d718d95369c5d886bc81bbdd8e Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Tue, 19 Oct 2021 20:17:02 -0700 Subject: [PATCH] target/riscv: Replace is_32bit with get_xl/get_xlen In preparation for RV128, replace a simple predicate with a more versatile test. Reviewed-by: LIU Zhiwei Reviewed-by: Alistair Francis Signed-off-by: Richard Henderson Message-id: 20211020031709.359469-9-richard.henderson@linaro.org Signed-off-by: Alistair Francis --- target/riscv/translate.c | 33 ++++++++++++++++++--------------- 1 file changed, 18 insertions(+), 15 deletions(-) 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 @@ -91,16 +91,19 @@ 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) -{ - return ctx->xl == MXL_RV32; -} +#define get_xl(ctx) ((ctx)->xl) #endif +/* The word size for this machine mode. */ +static inline int __attribute__((unused)) get_xlen(DisasContext *ctx) +{ + return 16 << get_xl(ctx); +} + /* 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)