From: Richard Henderson <rth@redhat.com>
Date: Tue, 1 Jan 2002 00:23:22 +0000 (-0800)
Subject: * config/ia64/ia64.c (mark_reg_gr_used_mask): Mind HARD_REGNO_NREGS.
X-Git-Tag: prereleases/libstdc++-3.0.96~774
X-Git-Url: https://gcc.gnu.org/git/?a=commitdiff_plain;h=f95e79cc11bd75adb2847b95d575a4f7fd3e14c8;p=gcc.git

* config/ia64/ia64.c (mark_reg_gr_used_mask): Mind HARD_REGNO_NREGS.

From-SVN: r48437
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5253f2483918..7502386aa0c2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-12-31  Richard Henderson  <rth@redhat.com>
+
+	* config/ia64/ia64.c (mark_reg_gr_used_mask): Mind HARD_REGNO_NREGS.
+
 2001-12-31  Richard Henderson  <rth@redhat.com>
 
 	* regrename.c (build_def_use): Don't rename asm operands that
diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c
index 133a2678485e..afe30063c5e4 100644
--- a/gcc/config/ia64/ia64.c
+++ b/gcc/config/ia64/ia64.c
@@ -1377,7 +1377,11 @@ mark_reg_gr_used_mask (reg, data)
 {
   unsigned int regno = REGNO (reg);
   if (regno < 32)
-    current_frame_info.gr_used_mask |= 1 << regno;
+    {
+      unsigned int i, n = HARD_REGNO_NREGS (regno, GET_MODE (reg));
+      for (i = 0; i < n; ++i)
+	current_frame_info.gr_used_mask |= 1 << (regno + i);
+    }
 }
 
 /* Returns the number of bytes offset between the frame pointer and the stack