target/sparc: Use i128 for FADDq, FSUBq, FMULq, FDIVq

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: <20231103173841.33651-8-richard.henderson@linaro.org>

3 files changed, 26 insertions, 28 deletions

diff --git a/target/sparc/fop_helper.c b/target/sparc/fop_helper.c
index d639e50..ceb64d8 100644
--- a/target/sparc/fop_helper.c
+++ b/target/sparc/fop_helper.c
@@ -98,22 +98,22 @@ target_ulong helper_check_ieee_exceptions(CPUSPARCState *env)
     return do_check_ieee_exceptions(env, GETPC());
 }
 
-#define F_HELPER(name, p) void helper_f##name##p(CPUSPARCState *env)
-
-#define F_BINOP(name)                                           \
+#define F_BINOP(name)                                                \
     float32 helper_f ## name ## s (CPUSPARCState *env, float32 src1, \
-                                   float32 src2)                \
-    {                                                           \
-        return float32_ ## name (src1, src2, &env->fp_status);  \
-    }                                                           \
+                                   float32 src2)                     \
+    {                                                                \
+        return float32_ ## name (src1, src2, &env->fp_status);       \
+    }                                                                \
     float64 helper_f ## name ## d (CPUSPARCState * env, float64 src1,\
-                                   float64 src2)                \
-    {                                                           \
-        return float64_ ## name (src1, src2, &env->fp_status);  \
-    }                                                           \
-    F_HELPER(name, q)                                           \
-    {                                                           \
-        QT0 = float128_ ## name (QT0, QT1, &env->fp_status);    \
+                                   float64 src2)                     \
+    {                                                                \
+        return float64_ ## name (src1, src2, &env->fp_status);       \
+    }                                                                \
+    Int128 helper_f ## name ## q(CPUSPARCState * env, Int128 src1,   \
+                                 Int128 src2)                        \
+    {                                                                \
+        return f128_ret(float128_ ## name (f128_in(src1), f128_in(src2), \
+                                           &env->fp_status));        \
     }
 
 F_BINOP(add);
@@ -168,7 +168,6 @@ void helper_fxtoq(CPUSPARCState *env, int64_t src)
     QT0 = int64_to_float128(src, &env->fp_status);
 }
 #endif
-#undef F_HELPER
 
 /* floating point conversion */
 float32 helper_fdtos(CPUSPARCState *env, float64 src)
diff --git a/target/sparc/helper.h b/target/sparc/helper.h
index eea2fa5..0a030fc 100644
--- a/target/sparc/helper.h
+++ b/target/sparc/helper.h
@@ -67,17 +67,16 @@ DEF_HELPER_FLAGS_1(fcmpeq_fcc2, TCG_CALL_NO_WG, tl, env)
 DEF_HELPER_FLAGS_1(fcmpeq_fcc3, TCG_CALL_NO_WG, tl, env)
 #endif
 DEF_HELPER_2(raise_exception, noreturn, env, int)
-#define F_HELPER_0_1(name) \
-  DEF_HELPER_FLAGS_1(f ## name, TCG_CALL_NO_RWG, void, env)
 
 DEF_HELPER_FLAGS_3(faddd, TCG_CALL_NO_RWG, f64, env, f64, f64)
 DEF_HELPER_FLAGS_3(fsubd, TCG_CALL_NO_RWG, f64, env, f64, f64)
 DEF_HELPER_FLAGS_3(fmuld, TCG_CALL_NO_RWG, f64, env, f64, f64)
 DEF_HELPER_FLAGS_3(fdivd, TCG_CALL_NO_RWG, f64, env, f64, f64)
-F_HELPER_0_1(addq)
-F_HELPER_0_1(subq)
-F_HELPER_0_1(mulq)
-F_HELPER_0_1(divq)
+
+DEF_HELPER_FLAGS_3(faddq, TCG_CALL_NO_RWG, i128, env, i128, i128)
+DEF_HELPER_FLAGS_3(fsubq, TCG_CALL_NO_RWG, i128, env, i128, i128)
+DEF_HELPER_FLAGS_3(fmulq, TCG_CALL_NO_RWG, i128, env, i128, i128)
+DEF_HELPER_FLAGS_3(fdivq, TCG_CALL_NO_RWG, i128, env, i128, i128)
 
 DEF_HELPER_FLAGS_3(fadds, TCG_CALL_NO_RWG, f32, env, f32, f32)
 DEF_HELPER_FLAGS_3(fsubs, TCG_CALL_NO_RWG, f32, env, f32, f32)
@@ -135,6 +134,5 @@ VIS_CMPHELPER(cmpeq)
 VIS_CMPHELPER(cmple)
 VIS_CMPHELPER(cmpne)
 #endif
-#undef F_HELPER_0_1
 #undef VIS_HELPER
 #undef VIS_CMPHELPER
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index ca98565..96aa7ed 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -4976,8 +4976,10 @@ static bool do_dddd(DisasContext *dc, arg_r_r_r *a,
 TRANS(PDIST, VIS1, do_dddd, a, gen_helper_pdist)
 
 static bool do_env_qqq(DisasContext *dc, arg_r_r_r *a,
-                       void (*func)(TCGv_env))
+                       void (*func)(TCGv_i128, TCGv_env, TCGv_i128, TCGv_i128))
 {
+    TCGv_i128 src1, src2;
+
     if (gen_trap_ifnofpu(dc)) {
         return true;
     }
@@ -4986,12 +4988,11 @@ static bool do_env_qqq(DisasContext *dc, arg_r_r_r *a,
     }
 
     gen_op_clear_ieee_excp_and_FTT();
-    gen_op_load_fpr_QT0(QFPREG(a->rs1));
-    gen_op_load_fpr_QT1(QFPREG(a->rs2));
-    func(tcg_env);
+    src1 = gen_load_fpr_Q(dc, a->rs1);
+    src2 = gen_load_fpr_Q(dc, a->rs2);
+    func(src1, tcg_env, src1, src2);
     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, src1);
     return advance_pc(dc);
 }