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target/sparc: Implement LDXEFSR

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Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-11-04 17:38:34 -07:00
parent fbc5c8d4e8
commit 298c52f784
4 changed files with 17 additions and 2 deletions
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6
target/sparc/fop_helper.c
View file

@ -602,3 +602,9 @@ void helper_set_fsr_nofcc_noftt(CPUSPARCState *env, uint32_t fsr)
env->fsr_cexc_ftt |= fsr & FSR_CEXC_MASK;
set_fsr_nonsplit(env, fsr);
}
void helper_set_fsr_nofcc(CPUSPARCState *env, uint32_t fsr)
{
env->fsr_cexc_ftt = fsr & (FSR_CEXC_MASK | FSR_FTT_MASK);
set_fsr_nonsplit(env, fsr);
}

1
target/sparc/helper.h
View file

@ -40,6 +40,7 @@ DEF_HELPER_FLAGS_4(ld_asi, TCG_CALL_NO_WG, i64, env, tl, int, i32)
DEF_HELPER_FLAGS_5(st_asi, TCG_CALL_NO_WG, void, env, tl, i64, int, i32)
#endif
DEF_HELPER_FLAGS_1(get_fsr, TCG_CALL_NO_WG_SE, tl, env)
DEF_HELPER_FLAGS_2(set_fsr_nofcc, TCG_CALL_NO_RWG, void, env, i32)
DEF_HELPER_FLAGS_2(set_fsr_nofcc_noftt, TCG_CALL_NO_RWG, void, env, i32)
DEF_HELPER_FLAGS_2(fsqrts, TCG_CALL_NO_WG, f32, env, f32)
DEF_HELPER_FLAGS_2(fsqrtd, TCG_CALL_NO_WG, f64, env, f64)

1
target/sparc/insns.decode
View file

@ -589,6 +589,7 @@ STX 11 ..... 011110 ..... . ............. @r_r_i_asi # STXA
LDF 11 ..... 100000 ..... . ............. @r_r_ri_na
LDFSR 11 00000 100001 ..... . ............. @n_r_ri
LDXFSR 11 00001 100001 ..... . ............. @n_r_ri
LDXEFSR 11 00011 100001 ..... . ............. @n_r_ri
LDQF 11 ..... 100010 ..... . ............. @q_r_ri_na
LDDF 11 ..... 100011 ..... . ............. @d_r_ri_na

11
target/sparc/translate.c
View file

@ -4458,7 +4458,7 @@ static bool trans_LDFSR(DisasContext *dc, arg_r_r_ri *a)
return advance_pc(dc);
}
static bool trans_LDXFSR(DisasContext *dc, arg_r_r_ri *a)
static bool do_ldxfsr(DisasContext *dc, arg_r_r_ri *a, bool entire)
{
#ifdef TARGET_SPARC64
TCGv addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm);
@ -4483,13 +4483,20 @@ static bool trans_LDXFSR(DisasContext *dc, arg_r_r_ri *a)
tcg_gen_extract_i32(cpu_fcc[2], hi, FSR_FCC2_SHIFT - 32, 2);
tcg_gen_extract_i32(cpu_fcc[3], hi, FSR_FCC3_SHIFT - 32, 2);
gen_helper_set_fsr_nofcc_noftt(tcg_env, lo);
if (entire) {
gen_helper_set_fsr_nofcc(tcg_env, lo);
} else {
gen_helper_set_fsr_nofcc_noftt(tcg_env, lo);
}
return advance_pc(dc);
#else
return false;
#endif
}
TRANS(LDXFSR, 64, do_ldxfsr, a, false)
TRANS(LDXEFSR, VIS3B, do_ldxfsr, a, true)
static bool do_stfsr(DisasContext *dc, arg_r_r_ri *a, MemOp mop)
{
TCGv addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm);