target/sparc: Use i128 for FCMPq, FCMPEq

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: <20231103173841.33651-11-richard.henderson@linaro.org>

diff --git a/target/sparc/fop_helper.c b/target/sparc/fop_helper.c
index 9f39b933e8755d0e21233f0615a758ebbca0910d..faf75e651f89d46d605216045cfa598fcf0e31d3 100644 (file)
--- a/target/sparc/fop_helper.c
+++ b/target/sparc/fop_helper.c
@@ -248,9 +248,12 @@ Int128 helper_fsqrtq(CPUSPARCState *env, Int128 src)
     return f128_ret(float128_sqrt(f128_in(src), &env->fp_status));
 }
 
-#define GEN_FCMP(name, size, reg1, reg2, FS, E)                         \
-    target_ulong glue(helper_, name) (CPUSPARCState *env)               \
+#define GEN_FCMP(name, size, FS, E)                                     \
+    target_ulong glue(helper_, name) (CPUSPARCState *env,               \
+                                      Int128 src1, Int128 src2)         \
     {                                                                   \
+        float128 reg1 = f128_in(src1);                                  \
+        float128 reg2 = f128_in(src2);                                  \
         FloatRelation ret;                                              \
         target_ulong fsr;                                               \
         if (E) {                                                        \
@@ -316,33 +319,33 @@ GEN_FCMP_T(fcmpd, float64, 0, 0);
 GEN_FCMP_T(fcmpes, float32, 0, 1);
 GEN_FCMP_T(fcmped, float64, 0, 1);
 
-GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
-GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
+GEN_FCMP(fcmpq, float128, 0, 0);
+GEN_FCMP(fcmpeq, float128, 0, 1);
 
 #ifdef TARGET_SPARC64
 GEN_FCMP_T(fcmps_fcc1, float32, 22, 0);
 GEN_FCMP_T(fcmpd_fcc1, float64, 22, 0);
-GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
+GEN_FCMP(fcmpq_fcc1, float128, 22, 0);
 
 GEN_FCMP_T(fcmps_fcc2, float32, 24, 0);
 GEN_FCMP_T(fcmpd_fcc2, float64, 24, 0);
-GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
+GEN_FCMP(fcmpq_fcc2, float128, 24, 0);
 
 GEN_FCMP_T(fcmps_fcc3, float32, 26, 0);
 GEN_FCMP_T(fcmpd_fcc3, float64, 26, 0);
-GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
+GEN_FCMP(fcmpq_fcc3, float128, 26, 0);
 
 GEN_FCMP_T(fcmpes_fcc1, float32, 22, 1);
 GEN_FCMP_T(fcmped_fcc1, float64, 22, 1);
-GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
+GEN_FCMP(fcmpeq_fcc1, float128, 22, 1);
 
 GEN_FCMP_T(fcmpes_fcc2, float32, 24, 1);
 GEN_FCMP_T(fcmped_fcc2, float64, 24, 1);
-GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
+GEN_FCMP(fcmpeq_fcc2, float128, 24, 1);
 
 GEN_FCMP_T(fcmpes_fcc3, float32, 26, 1);
 GEN_FCMP_T(fcmped_fcc3, float64, 26, 1);
-GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
+GEN_FCMP(fcmpeq_fcc3, float128, 26, 1);
 #endif
 #undef GEN_FCMP_T
 #undef GEN_FCMP

diff --git a/target/sparc/helper.h b/target/sparc/helper.h
index 4cb345187846c354d810233763cb349c02b53cf8..7caae9a44159d0ad3203eee5b50ed877830a8fe2 100644 (file)
--- a/target/sparc/helper.h
+++ b/target/sparc/helper.h
@@ -44,8 +44,8 @@ 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_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)
+DEF_HELPER_FLAGS_3(fcmpq, TCG_CALL_NO_WG, tl, env, i128, i128)
+DEF_HELPER_FLAGS_3(fcmpeq, TCG_CALL_NO_WG, tl, env, i128, i128)
 #ifdef TARGET_SPARC64
 DEF_HELPER_FLAGS_3(fcmps_fcc1, TCG_CALL_NO_WG, tl, env, f32, f32)
 DEF_HELPER_FLAGS_3(fcmps_fcc2, TCG_CALL_NO_WG, tl, env, f32, f32)
@@ -59,12 +59,12 @@ DEF_HELPER_FLAGS_3(fcmpes_fcc3, TCG_CALL_NO_WG, tl, env, f32, f32)
 DEF_HELPER_FLAGS_3(fcmped_fcc1, TCG_CALL_NO_WG, tl, env, f64, f64)
 DEF_HELPER_FLAGS_3(fcmped_fcc2, TCG_CALL_NO_WG, tl, env, f64, f64)
 DEF_HELPER_FLAGS_3(fcmped_fcc3, TCG_CALL_NO_WG, tl, env, f64, f64)
-DEF_HELPER_FLAGS_1(fcmpq_fcc1, TCG_CALL_NO_WG, tl, env)
-DEF_HELPER_FLAGS_1(fcmpq_fcc2, TCG_CALL_NO_WG, tl, env)
-DEF_HELPER_FLAGS_1(fcmpq_fcc3, TCG_CALL_NO_WG, tl, env)
-DEF_HELPER_FLAGS_1(fcmpeq_fcc1, TCG_CALL_NO_WG, tl, env)
-DEF_HELPER_FLAGS_1(fcmpeq_fcc2, TCG_CALL_NO_WG, tl, env)
-DEF_HELPER_FLAGS_1(fcmpeq_fcc3, TCG_CALL_NO_WG, tl, env)
+DEF_HELPER_FLAGS_3(fcmpq_fcc1, TCG_CALL_NO_WG, tl, env, i128, i128)
+DEF_HELPER_FLAGS_3(fcmpq_fcc2, TCG_CALL_NO_WG, tl, env, i128, i128)
+DEF_HELPER_FLAGS_3(fcmpq_fcc3, TCG_CALL_NO_WG, tl, env, i128, i128)
+DEF_HELPER_FLAGS_3(fcmpeq_fcc1, TCG_CALL_NO_WG, tl, env, i128, i128)
+DEF_HELPER_FLAGS_3(fcmpeq_fcc2, TCG_CALL_NO_WG, tl, env, i128, i128)
+DEF_HELPER_FLAGS_3(fcmpeq_fcc3, TCG_CALL_NO_WG, tl, env, i128, i128)
 #endif
 DEF_HELPER_2(raise_exception, noreturn, env, int)
 

diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 6f75f4d5d6d892449fc25df02154d110fdc85c09..6c003eed7c2c07fefdcd91b5b3cd478916a351e2 100644 (file)
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -276,22 +276,6 @@ static void gen_store_fpr_Q(DisasContext *dc, unsigned int dst, TCGv_i128 v)
     gen_update_fprs_dirty(dc, dst);
 }
 
-static void gen_op_load_fpr_QT0(unsigned int src)
-{
-    tcg_gen_st_i64(cpu_fpr[src / 2], tcg_env, offsetof(CPUSPARCState, qt0) +
-                   offsetof(CPU_QuadU, ll.upper));
-    tcg_gen_st_i64(cpu_fpr[src/2 + 1], tcg_env, offsetof(CPUSPARCState, qt0) +
-                   offsetof(CPU_QuadU, ll.lower));
-}
-
-static void gen_op_load_fpr_QT1(unsigned int src)
-{
-    tcg_gen_st_i64(cpu_fpr[src / 2], tcg_env, offsetof(CPUSPARCState, qt1) +
-                   offsetof(CPU_QuadU, ll.upper));
-    tcg_gen_st_i64(cpu_fpr[src/2 + 1], tcg_env, offsetof(CPUSPARCState, qt1) +
-                   offsetof(CPU_QuadU, ll.lower));
-}
-
 static void gen_op_store_QT0_fpr(unsigned int dst)
 {
     tcg_gen_ld_i64(cpu_fpr[dst / 2], tcg_env, offsetof(CPUSPARCState, qt0) +
@@ -1319,20 +1303,20 @@ static void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
     }
 }
 
-static void gen_op_fcmpq(int fccno)
+static void gen_op_fcmpq(int fccno, TCGv_i128 r_rs1, TCGv_i128 r_rs2)
 {
     switch (fccno) {
     case 0:
-        gen_helper_fcmpq(cpu_fsr, tcg_env);
+        gen_helper_fcmpq(cpu_fsr, tcg_env, r_rs1, r_rs2);
         break;
     case 1:
-        gen_helper_fcmpq_fcc1(cpu_fsr, tcg_env);
+        gen_helper_fcmpq_fcc1(cpu_fsr, tcg_env, r_rs1, r_rs2);
         break;
     case 2:
-        gen_helper_fcmpq_fcc2(cpu_fsr, tcg_env);
+        gen_helper_fcmpq_fcc2(cpu_fsr, tcg_env, r_rs1, r_rs2);
         break;
     case 3:
-        gen_helper_fcmpq_fcc3(cpu_fsr, tcg_env);
+        gen_helper_fcmpq_fcc3(cpu_fsr, tcg_env, r_rs1, r_rs2);
         break;
     }
 }
@@ -1373,20 +1357,20 @@ static void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
     }
 }
 
-static void gen_op_fcmpeq(int fccno)
+static void gen_op_fcmpeq(int fccno, TCGv_i128 r_rs1, TCGv_i128 r_rs2)
 {
     switch (fccno) {
     case 0:
-        gen_helper_fcmpeq(cpu_fsr, tcg_env);
+        gen_helper_fcmpeq(cpu_fsr, tcg_env, r_rs1, r_rs2);
         break;
     case 1:
-        gen_helper_fcmpeq_fcc1(cpu_fsr, tcg_env);
+        gen_helper_fcmpeq_fcc1(cpu_fsr, tcg_env, r_rs1, r_rs2);
         break;
     case 2:
-        gen_helper_fcmpeq_fcc2(cpu_fsr, tcg_env);
+        gen_helper_fcmpeq_fcc2(cpu_fsr, tcg_env, r_rs1, r_rs2);
         break;
     case 3:
-        gen_helper_fcmpeq_fcc3(cpu_fsr, tcg_env);
+        gen_helper_fcmpeq_fcc3(cpu_fsr, tcg_env, r_rs1, r_rs2);
         break;
     }
 }
@@ -1403,9 +1387,9 @@ static void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
     gen_helper_fcmpd(cpu_fsr, tcg_env, r_rs1, r_rs2);
 }
 
-static void gen_op_fcmpq(int fccno)
+static void gen_op_fcmpq(int fccno, TCGv_i128 r_rs1, TCGv_i128 r_rs2)
 {
-    gen_helper_fcmpq(cpu_fsr, tcg_env);
+    gen_helper_fcmpq(cpu_fsr, tcg_env, r_rs1, r_rs2);
 }
 
 static void gen_op_fcmpes(int fccno, TCGv r_rs1, TCGv r_rs2)
@@ -1418,9 +1402,9 @@ static void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
     gen_helper_fcmped(cpu_fsr, tcg_env, r_rs1, r_rs2);
 }
 
-static void gen_op_fcmpeq(int fccno)
+static void gen_op_fcmpeq(int fccno, TCGv_i128 r_rs1, TCGv_i128 r_rs2)
 {
-    gen_helper_fcmpeq(cpu_fsr, tcg_env);
+    gen_helper_fcmpeq(cpu_fsr, tcg_env, r_rs1, r_rs2);
 }
 #endif
 
@@ -5144,6 +5128,8 @@ TRANS(FCMPEd, ALL, do_fcmpd, a, true)
 
 static bool do_fcmpq(DisasContext *dc, arg_FCMPq *a, bool e)
 {
+    TCGv_i128 src1, src2;
+
     if (avail_32(dc) && a->cc != 0) {
         return false;
     }
@@ -5155,12 +5141,12 @@ static bool do_fcmpq(DisasContext *dc, arg_FCMPq *a, bool e)
     }
 
     gen_op_clear_ieee_excp_and_FTT();
-    gen_op_load_fpr_QT0(QFPREG(a->rs1));
-    gen_op_load_fpr_QT1(QFPREG(a->rs2));
+    src1 = gen_load_fpr_Q(dc, a->rs1);
+    src2 = gen_load_fpr_Q(dc, a->rs2);
     if (e) {
-        gen_op_fcmpeq(a->cc);
+        gen_op_fcmpeq(a->cc, src1, src2);
     } else {
-        gen_op_fcmpq(a->cc);
+        gen_op_fcmpq(a->cc, src1, src2);
     }
     return advance_pc(dc);
 }