From: David S. Miller <davem@pierdol.cobaltmicro.com>
Date: Sun, 4 Oct 1998 01:29:21 +0000 (+0000)
Subject: function.c (purge_addressof_1): If trying to take a sub-word integral piece of a... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ca2636edcddfab884d97f37bf0b09c3be362e689;p=gcc.git

function.c (purge_addressof_1): If trying to take a sub-word integral piece of a floating point mode...

	* function.c (purge_addressof_1): If trying to take a sub-word
	integral piece of a floating point mode, put it on the stack.

From-SVN: r22804
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d0b566c6e3d..44610f309ad 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Sun Oct  4 00:23:00 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>
+
+	* function.c (purge_addressof_1): If trying to take a sub-word
+	integral piece of a floating point mode, put it on the stack.
+
 Sat Oct  3 19:01:03 1998  Richard Henderson  <rth@cygnus.com>
 
 	* alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
diff --git a/gcc/function.c b/gcc/function.c
index 41f400e1c52..5e607597f4f 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -2881,6 +2881,17 @@ purge_addressof_1 (loc, insn, force, store)
 
 	      rtx val, seq;
 
+	      /* We cannot do this if we are trying to pick out
+		 an integral piece, smaller than a word, of a
+		 floating point value.  */
+	      if (INTEGRAL_MODE_P (GET_MODE (x))
+		  && GET_MODE_SIZE (GET_MODE (x)) < UNITS_PER_WORD
+		  && FLOAT_MODE_P (GET_MODE (sub)))
+		{
+		  put_addressof_into_stack (XEXP (x, 0));
+		  return;
+		}
+
 	      if (store)
 		{
 		  /* If we can't replace with a register, be afraid.  */