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[Qemu-devel] [PULL 51/67] target-ppc: Use float64 arg in helper_compute_
From: |
David Gibson |
Subject: |
[Qemu-devel] [PULL 51/67] target-ppc: Use float64 arg in helper_compute_fprf() |
Date: |
Thu, 12 Jan 2017 13:03:11 +1100 |
From: Bharata B Rao <address@hidden>
Use float64 argument instead of unit64_t in helper_compute_fprf()
This allows code in helper_compute_fprf() to be reused later to
work with float128 argument too.
Signed-off-by: Bharata B Rao <address@hidden>
Signed-off-by: Nikunj A Dadhania <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
target/ppc/fpu_helper.c | 16 +++++++---------
1 file changed, 7 insertions(+), 9 deletions(-)
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index 1ccd5e6..4da991a 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -66,23 +66,21 @@ static inline int ppc_float64_get_unbiased_exp(float64 f)
return ((f >> 52) & 0x7FF) - 1023;
}
-void helper_compute_fprf(CPUPPCState *env, uint64_t arg)
+void helper_compute_fprf(CPUPPCState *env, float64 arg)
{
- CPU_DoubleU farg;
int isneg;
int fprf;
- farg.ll = arg;
- isneg = float64_is_neg(farg.d);
- if (unlikely(float64_is_any_nan(farg.d))) {
- if (float64_is_signaling_nan(farg.d, &env->fp_status)) {
+ isneg = float64_is_neg(arg);
+ if (unlikely(float64_is_any_nan(arg))) {
+ if (float64_is_signaling_nan(arg, &env->fp_status)) {
/* Signaling NaN: flags are undefined */
fprf = 0x00;
} else {
/* Quiet NaN */
fprf = 0x11;
}
- } else if (unlikely(float64_is_infinity(farg.d))) {
+ } else if (unlikely(float64_is_infinity(arg))) {
/* +/- infinity */
if (isneg) {
fprf = 0x09;
@@ -90,7 +88,7 @@ void helper_compute_fprf(CPUPPCState *env, uint64_t arg)
fprf = 0x05;
}
} else {
- if (float64_is_zero(farg.d)) {
+ if (float64_is_zero(arg)) {
/* +/- zero */
if (isneg) {
fprf = 0x12;
@@ -98,7 +96,7 @@ void helper_compute_fprf(CPUPPCState *env, uint64_t arg)
fprf = 0x02;
}
} else {
- if (isden(farg.d)) {
+ if (isden(arg)) {
/* Denormalized numbers */
fprf = 0x10;
} else {
--
2.9.3
- [Qemu-devel] [PULL 38/67] qtest: add display-vga-test to ppc64, (continued)
- [Qemu-devel] [PULL 38/67] qtest: add display-vga-test to ppc64, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 20/67] target-ppc: move ppc_vsr_t to common header, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 30/67] target-ppc: implement stxvll instructions, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 32/67] prep: do not use global variable to access nvram, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 27/67] target-ppc: implement lxvl instruction, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 28/67] target-ppc: implement lxvll instruction, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 36/67] ppc: Validate compatibility modes when setting, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 45/67] hw/ppc: QOM'ify spapr_vio.c, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 34/67] ppc: Rewrite ppc_set_compat(), David Gibson, 2017/01/11
- [Qemu-devel] [PULL 47/67] target-ppc: Add xxinsertw instruction, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 51/67] target-ppc: Use float64 arg in helper_compute_fprf(),
David Gibson <=
- [Qemu-devel] [PULL 40/67] qtest: convert ivshmem-test to use libqos, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 60/67] pxb: Restrict to x86, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 49/67] prep: add IBM RS/6000 7020 (40p) memory controller, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 64/67] target-ppc: Add xscvdpqp instruction, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 37/67] qtest: add netfilter tests for ppc64, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 56/67] target-ppc: Add xsxexpdp instruction, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 57/67] target-ppc: Add xsxexpqp instruction, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 62/67] ppc: Add ppc_set_compat_all(), David Gibson, 2017/01/11
- [Qemu-devel] [PULL 41/67] qtest: add ivshmem-test for ppc64, David Gibson, 2017/01/11
- [Qemu-devel] [PULL 58/67] target-ppc: Add xsxsigdp instruction, David Gibson, 2017/01/11