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[PULL,52/67] target-ppc: Replace isden by float64_is_zero_or_denormal

Message ID 20170112020327.24882-53-david@gibson.dropbear.id.au
State New
Headers show

Commit Message

David Gibson Jan. 12, 2017, 2:03 a.m. UTC 
From: Bharata B Rao <bharata@linux.vnet.ibm.com>

Replace isden() by float64_is_zero_or_denormal() so that code in
helper_compute_fprf() can be reused to work with float128 argument.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 target/ppc/fpu_helper.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)
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Patch

diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index 4da991a..5a7aa75 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -47,15 +47,6 @@  uint32_t helper_float64_to_float32(CPUPPCState *env, uint64_t arg)
     return f.l;
 }
 
-static inline int isden(float64 d)
-{
-    CPU_DoubleU u;
-
-    u.d = d;
-
-    return ((u.ll >> 52) & 0x7FF) == 0;
-}
-
 static inline int ppc_float32_get_unbiased_exp(float32 f)
 {
     return ((f >> 23) & 0xFF) - 127;
@@ -96,7 +87,7 @@  void helper_compute_fprf(CPUPPCState *env, float64 arg)
                 fprf = 0x02;
             }
         } else {
-            if (isden(arg)) {
+            if (float64_is_zero_or_denormal(arg)) {
                 /* Denormalized numbers */
                 fprf = 0x10;
             } else {