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target/riscv: Remove helper_set_rod_rounding_mode

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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>
This commit is contained in:
Richard Henderson 2023-01-15 06:06:57 -10:00 committed by Alistair Francis
parent 3ceeb19a53
commit f251c01a62
3 changed files with 0 additions and 10 deletions
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5
target/riscv/fpu_helper.c
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@ -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)
{

1
target/riscv/helper.h
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@ -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)

4
target/riscv/translate.c
View File

@ -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;