From 4bcdd4d0b29c8053d86b78d802eba6750a5840d8 Mon Sep 17 00:00:00 2001
From: Richard Kenner <kenner@gcc.gnu.org>
Date: Sun, 17 Dec 1995 06:36:47 -0500
Subject: (push_secondary_reload): Don't strip paradoxical SUBREG if
 reload_class is CLASS_CANNOT_CHANGE_SIZE.

From-SVN: r10782
---
 gcc/reload.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'gcc')

diff --git a/gcc/reload.c b/gcc/reload.c
index d797e74..53569e7 100644
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -360,6 +360,9 @@ push_secondary_reload (in_p, x, opnum, optional, reload_class, reload_mode,
   /* If X is a paradoxical SUBREG, use the inner value to determine both the
      mode and object being reloaded.  */
   if (GET_CODE (x) == SUBREG
+#ifdef CLASS_CANNOT_CHANGE_SIZE
+      && reload_class != CLASS_CANNOT_CHANGE_SIZE
+#endif
       && (GET_MODE_SIZE (GET_MODE (x))
 	  > GET_MODE_SIZE (GET_MODE (SUBREG_REG (x)))))
     {
-- 
cgit v1.1