From: Richard Kenner <kenner@gcc.gnu.org>
Date: Mon, 4 Oct 1993 21:47:19 +0000 (-0400)
Subject: (incoming_regs): Only use 16 registers for parameter passing.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=af68829613cdfc26263726f069c9bdb9bd5773e7;p=gcc.git

(incoming_regs): Only use 16 registers for parameter passing.

From-SVN: r5591
---

diff --git a/gcc/config/a29k/a29k.c b/gcc/config/a29k/a29k.c
index 7d6e9c0dd91..631176134af 100644
--- a/gcc/config/a29k/a29k.c
+++ b/gcc/config/a29k/a29k.c
@@ -772,9 +772,14 @@ incoming_reg (start, count)
 {
   int i;
 
+  /* We only use 16 argument registers, so truncate at the end of the
+     area.  */
+  if (start + count > 16)
+    count = 16 - start;
+
   if (! TARGET_NO_REUSE_ARGS)
     /* Mark all the used registers as not fixed and saved over calls.  */
-    for (i = R_AR (start); i < R_AR (16) && i < R_AR (start + count); i++)
+    for (i = R_AR (start); i < R_AR (start + count); i++)
       {
 	fixed_regs[i] = call_used_regs[i] = call_fixed_regs[i] = 0;
 	CLEAR_HARD_REG_BIT (fixed_reg_set, i);