summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTom Musta <tommusta@gmail.com>2014-01-07 10:06:00 -0600
committerAlexander Graf <agraf@suse.de>2014-03-05 03:06:42 +0100
commit28288b48a83e903198ee22d8558c43b021e39a17 (patch)
treea0913cca1f52ba2cbbf82bc84cc48c1d98cb90b4
parentfab7fe426fa5325f93c931ffbe25f4e024b1ced4 (diff)
downloadqemu-28288b48a83e903198ee22d8558c43b021e39a17.zip
target-ppc: Add ISA 2.06 fcfid[u][s] Instructions
This patch adds the fcfids, fcfidu and fcfidus instructions which were introduced in Power ISA 2.06B. A common macro is provided to eliminate repetitious code, and the existing fcfid instruction is refactored to use this macro. Signed-off-by: Tom Musta <tommusta@gmail.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Alexander Graf <agraf@suse.de>
-rw-r--r--target-ppc/fpu_helper.c28
-rw-r--r--target-ppc/helper.h3
-rw-r--r--target-ppc/translate.c9
3 files changed, 31 insertions, 9 deletions
diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c
index 2f9f4dcc78..eb56082c94 100644
--- a/target-ppc/fpu_helper.c
+++ b/target-ppc/fpu_helper.c
@@ -637,16 +637,26 @@ FPU_FCTI(fctiduz, uint64_round_to_zero, 0x0000000000000000)
#endif
#if defined(TARGET_PPC64)
-/* fcfid - fcfid. */
-uint64_t helper_fcfid(CPUPPCState *env, uint64_t arg)
-{
- CPU_DoubleU farg;
-
- farg.d = int64_to_float64(arg, &env->fp_status);
- return farg.ll;
-}
-
+#define FPU_FCFI(op, cvtr, is_single) \
+uint64_t helper_##op(CPUPPCState *env, uint64_t arg) \
+{ \
+ CPU_DoubleU farg; \
+ \
+ if (is_single) { \
+ float32 tmp = cvtr(arg, &env->fp_status); \
+ farg.d = float32_to_float64(tmp, &env->fp_status); \
+ } else { \
+ farg.d = cvtr(arg, &env->fp_status); \
+ } \
+ helper_float_check_status(env); \
+ return farg.ll; \
+}
+
+FPU_FCFI(fcfid, int64_to_float64, 0)
+FPU_FCFI(fcfids, int64_to_float32, 1)
+FPU_FCFI(fcfidu, uint64_to_float64, 0)
+FPU_FCFI(fcfidus, uint64_to_float32, 1)
#endif
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index a32a75a873..c7c915f010 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -71,6 +71,9 @@ 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)
+DEF_HELPER_2(fcfidus, i64, env, i64)
DEF_HELPER_2(fctid, i64, env, i64)
DEF_HELPER_2(fctidu, i64, env, i64)
DEF_HELPER_2(fctidz, i64, env, i64)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index f13cda68f1..4c08fe5c07 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -2213,6 +2213,12 @@ GEN_FLOAT_B(rsp, 0x0C, 0x00, 1, PPC_FLOAT);
#if defined(TARGET_PPC64)
/* fcfid */
GEN_FLOAT_B(cfid, 0x0E, 0x1A, 1, PPC_64B);
+/* fcfids */
+GEN_FLOAT_B(cfids, 0x0E, 0x1A, 0, PPC2_FP_CVT_ISA206);
+/* fcfidu */
+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);
/* fctidu */
@@ -9857,6 +9863,9 @@ 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(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(fctidu, 0x3F, 0x0E, 0x1D, 0, PPC_NONE, PPC2_FP_CVT_ISA206),
GEN_FLOAT_B(ctidz, 0x0F, 0x19, 0, PPC_64B),