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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-11-03 10:38:25 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-02-03 16:46:10 +1000 |
| commit | e41716be4db43446f7dd1688f66e9c27d2dace31 (patch) | |
| tree | 1caf68cbfab3206ed8c2ec263a90a1f1a4c276f7 /target | |
| parent | daf457d40f92dd5f957b206cc86d95d9c42350c6 (diff) | |
| download | qemu-e41716be4db43446f7dd1688f66e9c27d2dace31.zip qemu-e41716be4db43446f7dd1688f66e9c27d2dace31.tar.gz qemu-e41716be4db43446f7dd1688f66e9c27d2dace31.tar.bz2 | |
target/sparc: Use i128 for FSQRTq
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-7-richard.henderson@linaro.org>
Diffstat (limited to 'target')
| -rw-r--r-- | target/sparc/fop_helper.c | 26 | ||||
| -rw-r--r-- | target/sparc/helper.h | 2 | ||||
| -rw-r--r-- | target/sparc/translate.c | 12 |
3 files changed, 32 insertions, 8 deletions
diff --git a/target/sparc/fop_helper.c b/target/sparc/fop_helper.c index d6fb769..d639e50 100644 --- a/target/sparc/fop_helper.c +++ b/target/sparc/fop_helper.c @@ -26,6 +26,28 @@ #define QT0 (env->qt0) #define QT1 (env->qt1) +static inline float128 f128_in(Int128 i) +{ + union { + Int128 i; + float128 f; + } u; + + u.i = i; + return u.f; +} + +static inline Int128 f128_ret(float128 f) +{ + union { + Int128 i; + float128 f; + } u; + + u.f = f; + return u.i; +} + static target_ulong do_check_ieee_exceptions(CPUSPARCState *env, uintptr_t ra) { target_ulong status = get_float_exception_flags(&env->fp_status); @@ -222,9 +244,9 @@ float64 helper_fsqrtd(CPUSPARCState *env, float64 src) return float64_sqrt(src, &env->fp_status); } -void helper_fsqrtq(CPUSPARCState *env) +Int128 helper_fsqrtq(CPUSPARCState *env, Int128 src) { - QT0 = float128_sqrt(QT1, &env->fp_status); + return f128_ret(float128_sqrt(f128_in(src), &env->fp_status)); } #define GEN_FCMP(name, size, reg1, reg2, FS, E) \ diff --git a/target/sparc/helper.h b/target/sparc/helper.h index 74a1575..eea2fa5 100644 --- a/target/sparc/helper.h +++ b/target/sparc/helper.h @@ -43,7 +43,7 @@ DEF_HELPER_FLAGS_3(fcmps, TCG_CALL_NO_WG, tl, env, f32, f32) DEF_HELPER_FLAGS_3(fcmpd, TCG_CALL_NO_WG, tl, env, f64, f64) DEF_HELPER_FLAGS_3(fcmpes, TCG_CALL_NO_WG, tl, env, f32, f32) DEF_HELPER_FLAGS_3(fcmped, TCG_CALL_NO_WG, tl, env, f64, f64) -DEF_HELPER_FLAGS_1(fsqrtq, TCG_CALL_NO_RWG, void, env) +DEF_HELPER_FLAGS_2(fsqrtq, TCG_CALL_NO_RWG, i128, env, i128) DEF_HELPER_FLAGS_1(fcmpq, TCG_CALL_NO_WG, tl, env) DEF_HELPER_FLAGS_1(fcmpeq, TCG_CALL_NO_WG, tl, env) #ifdef TARGET_SPARC64 diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 4195228..ca98565 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -4669,8 +4669,10 @@ TRANS(FNEGq, 64, do_qq, a, gen_op_fnegq) TRANS(FABSq, 64, do_qq, a, gen_op_fabsq) static bool do_env_qq(DisasContext *dc, arg_r_r *a, - void (*func)(TCGv_env)) + void (*func)(TCGv_i128, TCGv_env, TCGv_i128)) { + TCGv_i128 t; + if (gen_trap_ifnofpu(dc)) { return true; } @@ -4679,11 +4681,11 @@ static bool do_env_qq(DisasContext *dc, arg_r_r *a, } gen_op_clear_ieee_excp_and_FTT(); - gen_op_load_fpr_QT1(QFPREG(a->rs)); - func(tcg_env); + + t = gen_load_fpr_Q(dc, a->rs); + func(t, tcg_env, t); gen_helper_check_ieee_exceptions(cpu_fsr, tcg_env); - gen_op_store_QT0_fpr(QFPREG(a->rd)); - gen_update_fprs_dirty(dc, QFPREG(a->rd)); + gen_store_fpr_Q(dc, a->rd, t); return advance_pc(dc); } |