From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 4 Apr 2002 11:37:32 +0000 (+0200)
Subject: sparc.c (sparc_va_arg): Adjust va_list by UNITS_PER_WORD for zero sized aggregates.
X-Git-Tag: releases/gcc-3.3.0~5899
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=014c0998cb6e42832ec79b4ae5bea78435cfb509;p=thirdparty%2Fgcc.git

sparc.c (sparc_va_arg): Adjust va_list by UNITS_PER_WORD for zero sized aggregates.

	* config/sparc/sparc.c (sparc_va_arg): Adjust va_list by
	UNITS_PER_WORD for zero sized aggregates.

From-SVN: r51853
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f278189e9f2d..a4561c22b4f1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2002-04-04  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.c (sparc_va_arg): Adjust va_list by
+	UNITS_PER_WORD for zero sized aggregates.
+
 2002-04-03  David S. Miller  <davem@redhat.com>
 
 	* gcc.c (LINK_GCC_C_SEQUENCE_SPEC): No need for a new
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c
index 7df4df6e0fb6..c9cad9ff914d 100644
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -4950,6 +4950,10 @@ sparc_va_arg (valist, type)
 	      indirect = 1;
 	      size = rsize = UNITS_PER_WORD;
 	    }
+	  /* SPARC v9 ABI states that structures up to 8 bytes in size are
+	     given one 8 byte slot.  */
+	  else if (size == 0)
+	    size = rsize = UNITS_PER_WORD;
 	  else
 	    size = rsize;
 	}