target-ppc : Allow fc[tf]id[*] mnemonics for non TARGET_PPC64

This patch remove limitation for fc[tf]id[*] on 32 bits targets and
add a new insn flag for signed integer 64 conversion PPC2_FP_CVT_S64

Signed-off-by: Pierre Mallard <mallard.pierre@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>

target-ppc/cpu.h

@@ -2007,13 +2007,16 @@ enum {
     PPC2_ALTIVEC_207   = 0x0000000000004000ULL,
     /* PowerISA 2.07 Book3s specification                                    */
     PPC2_ISA207S       = 0x0000000000008000ULL,
+    /* Double precision floating point conversion for signed integer 64      */
+    PPC2_FP_CVT_S64    = 0x0000000000010000ULL,
 
 #define PPC_TCG_INSNS2 (PPC2_BOOKE206 | PPC2_VSX | PPC2_PRCNTL | PPC2_DBRX | \
                         PPC2_ISA205 | PPC2_VSX207 | PPC2_PERM_ISA206 | \
                         PPC2_DIVE_ISA206 | PPC2_ATOMIC_ISA206 | \
                         PPC2_FP_CVT_ISA206 | PPC2_FP_TST_ISA206 | \
                         PPC2_BCTAR_ISA207 | PPC2_LSQ_ISA207 | \
-                        PPC2_ALTIVEC_207 | PPC2_ISA207S | PPC2_DFP)
+                        PPC2_ALTIVEC_207 | PPC2_ISA207S | PPC2_DFP | \
+                        PPC2_FP_CVT_S64)
 };
 
 /*****************************************************************************/

target-ppc/fpu_helper.c

@@ -649,14 +649,10 @@ FPU_FCTI(fctiw, int32, 0x80000000U)
 FPU_FCTI(fctiwz, int32_round_to_zero, 0x80000000U)
 FPU_FCTI(fctiwu, uint32, 0x00000000U)
 FPU_FCTI(fctiwuz, uint32_round_to_zero, 0x00000000U)
-#if defined(TARGET_PPC64)
 FPU_FCTI(fctid, int64, 0x8000000000000000ULL)
 FPU_FCTI(fctidz, int64_round_to_zero, 0x8000000000000000ULL)
 FPU_FCTI(fctidu, uint64, 0x0000000000000000ULL)
 FPU_FCTI(fctiduz, uint64_round_to_zero, 0x0000000000000000ULL)
-#endif
-
-#if defined(TARGET_PPC64)
 
 #define FPU_FCFI(op, cvtr, is_single)                      \
 uint64_t helper_##op(CPUPPCState *env, uint64_t arg)       \
@@ -678,8 +674,6 @@ FPU_FCFI(fcfids, int64_to_float32, 1)
 FPU_FCFI(fcfidu, uint64_to_float64, 0)
 FPU_FCFI(fcfidus, uint64_to_float32, 1)
 
-#endif
-
 static inline uint64_t do_fri(CPUPPCState *env, uint64_t arg,
                               int rounding_mode)
 {

target-ppc/helper.h

@@ -66,7 +66,6 @@ DEF_HELPER_2(fctiw, i64, env, i64)
 DEF_HELPER_2(fctiwu, i64, env, i64)
 DEF_HELPER_2(fctiwz, i64, env, i64)
 DEF_HELPER_2(fctiwuz, i64, env, i64)
-#if defined(TARGET_PPC64)
 DEF_HELPER_2(fcfid, i64, env, i64)
 DEF_HELPER_2(fcfidu, i64, env, i64)
 DEF_HELPER_2(fcfids, i64, env, i64)
@@ -75,7 +74,6 @@ DEF_HELPER_2(fctid, i64, env, i64)
 DEF_HELPER_2(fctidu, i64, env, i64)
 DEF_HELPER_2(fctidz, i64, env, i64)
 DEF_HELPER_2(fctiduz, i64, env, i64)
-#endif
 DEF_HELPER_2(frsp, i64, env, i64)
 DEF_HELPER_2(frin, i64, env, i64)
 DEF_HELPER_2(friz, i64, env, i64)

target-ppc/translate.c

@@ -2287,9 +2287,8 @@ GEN_FLOAT_B(ctiwz, 0x0F, 0x00, 0, PPC_FLOAT);
 GEN_FLOAT_B(ctiwuz, 0x0F, 0x04, 0, PPC2_FP_CVT_ISA206);
 /* frsp */
 GEN_FLOAT_B(rsp, 0x0C, 0x00, 1, PPC_FLOAT);
-#if defined(TARGET_PPC64)
 /* fcfid */
-GEN_FLOAT_B(cfid, 0x0E, 0x1A, 1, PPC_64B);
+GEN_FLOAT_B(cfid, 0x0E, 0x1A, 1, PPC2_FP_CVT_S64);
 /* fcfids */
 GEN_FLOAT_B(cfids, 0x0E, 0x1A, 0, PPC2_FP_CVT_ISA206);
 /* fcfidu */
@@ -2297,14 +2296,13 @@ GEN_FLOAT_B(cfidu, 0x0E, 0x1E, 0, PPC2_FP_CVT_ISA206);
 /* fcfidus */
 GEN_FLOAT_B(cfidus, 0x0E, 0x1E, 0, PPC2_FP_CVT_ISA206);
 /* fctid */
-GEN_FLOAT_B(ctid, 0x0E, 0x19, 0, PPC_64B);
+GEN_FLOAT_B(ctid, 0x0E, 0x19, 0, PPC2_FP_CVT_S64);
 /* fctidu */
 GEN_FLOAT_B(ctidu, 0x0E, 0x1D, 0, PPC2_FP_CVT_ISA206);
 /* fctidz */
-GEN_FLOAT_B(ctidz, 0x0F, 0x19, 0, PPC_64B);
+GEN_FLOAT_B(ctidz, 0x0F, 0x19, 0, PPC2_FP_CVT_S64);
 /* fctidu */
 GEN_FLOAT_B(ctiduz, 0x0F, 0x1D, 0, PPC2_FP_CVT_ISA206);
-#endif
 
 /* frin */
 GEN_FLOAT_B(rin, 0x08, 0x0C, 1, PPC_FLOAT_EXT);
@@ -10091,16 +10089,14 @@ GEN_HANDLER_E(fctiwu, 0x3F, 0x0E, 0x04, 0, PPC_NONE, PPC2_FP_CVT_ISA206),
 GEN_FLOAT_B(ctiwz, 0x0F, 0x00, 0, PPC_FLOAT),
 GEN_HANDLER_E(fctiwuz, 0x3F, 0x0F, 0x04, 0, PPC_NONE, PPC2_FP_CVT_ISA206),
 GEN_FLOAT_B(rsp, 0x0C, 0x00, 1, PPC_FLOAT),
-#if defined(TARGET_PPC64)
-GEN_FLOAT_B(cfid, 0x0E, 0x1A, 1, PPC_64B),
+GEN_HANDLER_E(fcfid, 0x3F, 0x0E, 0x1A, 0x001F0000, PPC_NONE, PPC2_FP_CVT_S64),
 GEN_HANDLER_E(fcfids, 0x3B, 0x0E, 0x1A, 0, PPC_NONE, PPC2_FP_CVT_ISA206),
 GEN_HANDLER_E(fcfidu, 0x3F, 0x0E, 0x1E, 0, PPC_NONE, PPC2_FP_CVT_ISA206),
 GEN_HANDLER_E(fcfidus, 0x3B, 0x0E, 0x1E, 0, PPC_NONE, PPC2_FP_CVT_ISA206),
-GEN_FLOAT_B(ctid, 0x0E, 0x19, 0, PPC_64B),
+GEN_HANDLER_E(fctid, 0x3F, 0x0E, 0x19, 0x001F0000, PPC_NONE, PPC2_FP_CVT_S64),
 GEN_HANDLER_E(fctidu, 0x3F, 0x0E, 0x1D, 0, PPC_NONE, PPC2_FP_CVT_ISA206),
-GEN_FLOAT_B(ctidz, 0x0F, 0x19, 0, PPC_64B),
+GEN_HANDLER_E(fctidz, 0x3F, 0x0F, 0x19, 0x001F0000, PPC_NONE, PPC2_FP_CVT_S64),
 GEN_HANDLER_E(fctiduz, 0x3F, 0x0F, 0x1D, 0, PPC_NONE, PPC2_FP_CVT_ISA206),
-#endif
 GEN_FLOAT_B(rin, 0x08, 0x0C, 1, PPC_FLOAT_EXT),
 GEN_FLOAT_B(riz, 0x08, 0x0D, 1, PPC_FLOAT_EXT),
 GEN_FLOAT_B(rip, 0x08, 0x0E, 1, PPC_FLOAT_EXT),

target-ppc/translate_init.c

@@ -5010,7 +5010,8 @@ POWERPC_FAMILY(e5500)(ObjectClass *oc, void *data)
                        PPC_FLOAT_STFIWX | PPC_WAIT |
                        PPC_MEM_TLBSYNC | PPC_TLBIVAX | PPC_MEM_SYNC |
                        PPC_64B | PPC_POPCNTB | PPC_POPCNTWD;
-    pcc->insns_flags2 = PPC2_BOOKE206 | PPC2_PRCNTL | PPC2_PERM_ISA206;
+    pcc->insns_flags2 = PPC2_BOOKE206 | PPC2_PRCNTL | PPC2_PERM_ISA206 | \
+                        PPC2_FP_CVT_S64;
     pcc->msr_mask = (1ull << MSR_CM) |
                     (1ull << MSR_GS) |
                     (1ull << MSR_UCLE) |
@@ -7906,6 +7907,7 @@ POWERPC_FAMILY(970)(ObjectClass *oc, void *data)
                        PPC_MEM_TLBIE | PPC_MEM_TLBSYNC |
                        PPC_64B | PPC_ALTIVEC |
                        PPC_SEGMENT_64B | PPC_SLBI;
+    pcc->insns_flags2 = PPC2_FP_CVT_S64;
     pcc->msr_mask = (1ull << MSR_SF) |
                     (1ull << MSR_VR) |
                     (1ull << MSR_POW) |
@@ -7958,6 +7960,7 @@ POWERPC_FAMILY(POWER5P)(ObjectClass *oc, void *data)
                        PPC_MEM_TLBIE | PPC_MEM_TLBSYNC |
                        PPC_64B |
                        PPC_SEGMENT_64B | PPC_SLBI;
+    pcc->insns_flags2 = PPC2_FP_CVT_S64;
     pcc->msr_mask = (1ull << MSR_SF) |
                     (1ull << MSR_VR) |
                     (1ull << MSR_POW) |
@@ -8100,7 +8103,7 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data)
     pcc->insns_flags2 = PPC2_VSX | PPC2_DFP | PPC2_DBRX | PPC2_ISA205 |
                         PPC2_PERM_ISA206 | PPC2_DIVE_ISA206 |
                         PPC2_ATOMIC_ISA206 | PPC2_FP_CVT_ISA206 |
-                        PPC2_FP_TST_ISA206;
+                        PPC2_FP_TST_ISA206 | PPC2_FP_CVT_S64;
     pcc->msr_mask = (1ull << MSR_SF) |
                     (1ull << MSR_VR) |
                     (1ull << MSR_VSX) |
@@ -8178,7 +8181,7 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data)
                         PPC2_ATOMIC_ISA206 | PPC2_FP_CVT_ISA206 |
                         PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207 |
                         PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 |
-                        PPC2_ISA205 | PPC2_ISA207S;
+                        PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64;
     pcc->msr_mask = (1ull << MSR_SF) |
                     (1ull << MSR_TM) |
                     (1ull << MSR_VR) |