target/riscv: Remove helper_set_rod_rounding_mode

The only setting of RISCV_FRM_ROD is from the vector unit,
and now handled by helper_set_rounding_mode_chkfrm.
This helper is now unused.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230115160657.3169274-3-richard.henderson@linaro.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

diff --git a/target/riscv/fpu_helper.c b/target/riscv/fpu_helper.c
index 96817df8efa1b54d118f57f506ac2b7baf7c9381..449d236df6c17cdfddb6eb548c11d3ecc371fdd9 100644 (file)
--- a/target/riscv/fpu_helper.c
+++ b/target/riscv/fpu_helper.c
@@ -118,11 +118,6 @@ void helper_set_rounding_mode_chkfrm(CPURISCVState *env, uint32_t rm)
     set_float_rounding_mode(softrm, &env->fp_status);
 }
 
-void helper_set_rod_rounding_mode(CPURISCVState *env)
-{
-    set_float_rounding_mode(float_round_to_odd, &env->fp_status);
-}
-
 static uint64_t do_fmadd_h(CPURISCVState *env, uint64_t rs1, uint64_t rs2,
                            uint64_t rs3, int flags)
 {

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index 9792ab508631691c0c134371ba90d9aa2530d1ee..58a30f03d65d5a0eff37b0bba79053c3b79a61fa 100644 (file)
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -4,7 +4,6 @@ DEF_HELPER_2(raise_exception, noreturn, env, i32)
 /* Floating Point - rounding mode */
 DEF_HELPER_FLAGS_2(set_rounding_mode, TCG_CALL_NO_WG, void, env, i32)
 DEF_HELPER_FLAGS_2(set_rounding_mode_chkfrm, TCG_CALL_NO_WG, void, env, i32)
-DEF_HELPER_FLAGS_1(set_rod_rounding_mode, TCG_CALL_NO_WG, void, env)
 
 /* Floating Point - fused */
 DEF_HELPER_FLAGS_4(fmadd_s, TCG_CALL_NO_RWG, i64, env, i64, i64, i64)

diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index 493c3815e168cd10bb7d531b57376c4cbcca98ab..01cc30a36594e9acf40d3f7c4799ac278f281ab2 100644 (file)
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -672,10 +672,6 @@ static void gen_set_rm(DisasContext *ctx, int rm)
     }
     ctx->frm = rm;
 
-    if (rm == RISCV_FRM_ROD) {
-        gen_helper_set_rod_rounding_mode(cpu_env);
-        return;
-    }
     if (rm == RISCV_FRM_DYN) {
         /* The helper will return only if frm valid. */
         ctx->frm_valid = true;