9b7410763a
This includes:
- FCMP.cond.{S/D}
Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-12-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Copyright (c) 2021 Loongson Technology Corporation Limited
|
|
*/
|
|
|
|
/* bit0(signaling/quiet) bit1(lt) bit2(eq) bit3(un) bit4(neq) */
|
|
static uint32_t get_fcmp_flags(int cond)
|
|
{
|
|
uint32_t flags = 0;
|
|
|
|
if (cond & 0x1) {
|
|
flags |= FCMP_LT;
|
|
}
|
|
if (cond & 0x2) {
|
|
flags |= FCMP_EQ;
|
|
}
|
|
if (cond & 0x4) {
|
|
flags |= FCMP_UN;
|
|
}
|
|
if (cond & 0x8) {
|
|
flags |= FCMP_GT | FCMP_LT;
|
|
}
|
|
return flags;
|
|
}
|
|
|
|
static bool trans_fcmp_cond_s(DisasContext *ctx, arg_fcmp_cond_s *a)
|
|
{
|
|
TCGv var = tcg_temp_new();
|
|
uint32_t flags;
|
|
void (*fn)(TCGv, TCGv_env, TCGv, TCGv, TCGv_i32);
|
|
|
|
fn = (a->fcond & 1 ? gen_helper_fcmp_s_s : gen_helper_fcmp_c_s);
|
|
flags = get_fcmp_flags(a->fcond >> 1);
|
|
|
|
fn(var, cpu_env, cpu_fpr[a->fj], cpu_fpr[a->fk], tcg_constant_i32(flags));
|
|
|
|
tcg_gen_st8_tl(var, cpu_env, offsetof(CPULoongArchState, cf[a->cd]));
|
|
tcg_temp_free(var);
|
|
return true;
|
|
}
|
|
|
|
static bool trans_fcmp_cond_d(DisasContext *ctx, arg_fcmp_cond_d *a)
|
|
{
|
|
TCGv var = tcg_temp_new();
|
|
uint32_t flags;
|
|
void (*fn)(TCGv, TCGv_env, TCGv, TCGv, TCGv_i32);
|
|
fn = (a->fcond & 1 ? gen_helper_fcmp_s_d : gen_helper_fcmp_c_d);
|
|
flags = get_fcmp_flags(a->fcond >> 1);
|
|
|
|
fn(var, cpu_env, cpu_fpr[a->fj], cpu_fpr[a->fk], tcg_constant_i32(flags));
|
|
|
|
tcg_gen_st8_tl(var, cpu_env, offsetof(CPULoongArchState, cf[a->cd]));
|
|
|
|
tcg_temp_free(var);
|
|
return true;
|
|
}
|