target/sparc: Use i128 for FdTOq, FxTOq

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: <20231103173841.33651-13-richard.henderson@linaro.org>
qemu · Feb 2, 2024 · 9135084 · 9135084
1 parent 72e9c76
commit 9135084
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Showing 3 changed files with 11 additions and 10 deletions.
diff --git a/target/sparc/fop_helper.c b/target/sparc/fop_helper.c
@@ -163,9 +163,9 @@ float64 helper_fxtod(CPUSPARCState *env, int64_t src)
     return int64_to_float64(src, &env->fp_status);
 }
 
-void helper_fxtoq(CPUSPARCState *env, int64_t src)
+Int128 helper_fxtoq(CPUSPARCState *env, int64_t src)
 {
-    QT0 = int64_to_float128(src, &env->fp_status);
+    return f128_ret(int64_to_float128(src, &env->fp_status));
 }
 #endif
 
@@ -195,9 +195,9 @@ float64 helper_fqtod(CPUSPARCState *env, Int128 src)
     return float128_to_float64(f128_in(src), &env->fp_status);
 }
 
-void helper_fdtoq(CPUSPARCState *env, float64 src)
+Int128 helper_fdtoq(CPUSPARCState *env, float64 src)
 {
-    QT0 = float64_to_float128(src, &env->fp_status);
+    return f128_ret(float64_to_float128(src, &env->fp_status));
 }
 
 /* Float to integer conversion.  */

diff --git a/target/sparc/helper.h b/target/sparc/helper.h
@@ -94,14 +94,14 @@ DEF_HELPER_FLAGS_2(fitos, TCG_CALL_NO_RWG, f32, env, s32)
 #ifdef TARGET_SPARC64
 DEF_HELPER_FLAGS_2(fxtos, TCG_CALL_NO_RWG, f32, env, s64)
 DEF_HELPER_FLAGS_2(fxtod, TCG_CALL_NO_RWG, f64, env, s64)
-DEF_HELPER_FLAGS_2(fxtoq, TCG_CALL_NO_RWG, void, env, s64)
+DEF_HELPER_FLAGS_2(fxtoq, TCG_CALL_NO_RWG, i128, env, s64)
 #endif
 DEF_HELPER_FLAGS_2(fdtos, TCG_CALL_NO_RWG, f32, env, f64)
 DEF_HELPER_FLAGS_2(fstod, TCG_CALL_NO_RWG, f64, env, f32)
 DEF_HELPER_FLAGS_2(fqtos, TCG_CALL_NO_RWG, f32, env, i128)
 DEF_HELPER_FLAGS_2(fstoq, TCG_CALL_NO_RWG, i128, env, f32)
 DEF_HELPER_FLAGS_2(fqtod, TCG_CALL_NO_RWG, f64, env, i128)
-DEF_HELPER_FLAGS_2(fdtoq, TCG_CALL_NO_RWG, void, env, f64)
+DEF_HELPER_FLAGS_2(fdtoq, TCG_CALL_NO_RWG, i128, env, f64)
 DEF_HELPER_FLAGS_2(fstoi, TCG_CALL_NO_RWG, s32, env, f32)
 DEF_HELPER_FLAGS_2(fdtoi, TCG_CALL_NO_RWG, s32, env, f64)
 DEF_HELPER_FLAGS_2(fqtoi, TCG_CALL_NO_RWG, s32, env, i128)

diff --git a/target/sparc/translate.c b/target/sparc/translate.c
@@ -4750,9 +4750,10 @@ TRANS(FiTOq, ALL, do_env_qf, a, gen_helper_fitoq)
 TRANS(FsTOq, ALL, do_env_qf, a, gen_helper_fstoq)
 
 static bool do_env_qd(DisasContext *dc, arg_r_r *a,
-                      void (*func)(TCGv_env, TCGv_i64))
+                      void (*func)(TCGv_i128, TCGv_env, TCGv_i64))
 {
     TCGv_i64 src;
+    TCGv_i128 dst;
 
     if (gen_trap_ifnofpu(dc)) {
         return true;
@@ -4763,9 +4764,9 @@ static bool do_env_qd(DisasContext *dc, arg_r_r *a,
 
     gen_op_clear_ieee_excp_and_FTT();
     src = gen_load_fpr_D(dc, a->rs);
-    func(tcg_env, src);
-    gen_op_store_QT0_fpr(QFPREG(a->rd));
-    gen_update_fprs_dirty(dc, QFPREG(a->rd));
+    dst = tcg_temp_new_i128();
+    func(dst, tcg_env, src);
+    gen_store_fpr_Q(dc, a->rd, dst);
     return advance_pc(dc);
 }