From 7c079200d024d5868073246c4ec8f80446b0a4c0 Mon Sep 17 00:00:00 2001
From: Guy Menanteau <menantea@linux.vnet.ibm.com>
Date: Fri, 15 Jan 2016 14:19:06 -0800
Subject: [PATCH] ppc64: Make access_fpreg function accept fp and v registers

---
 src/ppc64/Ginit.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/ppc64/Ginit.c b/src/ppc64/Ginit.c
index 07409610..3211cf4d 100644
--- a/src/ppc64/Ginit.c
+++ b/src/ppc64/Ginit.c
@@ -169,13 +169,11 @@ access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val,
   ucontext_t *uc = arg;
   unw_fpreg_t *addr;
 
-  if ((reg - UNW_PPC64_F0) < 0)
+  /* Allow only 32 fregs and 32 vregs */
+  if (!(((unsigned) (reg - UNW_PPC64_F0) < 32)
+	||((unsigned) (reg - UNW_PPC64_V0) < 32)))
     goto badreg;
 
-  if ((unsigned) (reg - UNW_PPC64_V0) >= 32)
-    goto badreg;
-
-
   addr = uc_addr (uc, reg);
   if (!addr)
     goto badreg;