From: Jim Wilson <wilson@gcc.gnu.org>
Date: Fri, 8 Jul 1994 20:52:11 +0000 (-0700)
Subject: (SECONDARY_MEMORY_NEEDED_RTX): Call assign_stack_local
X-Git-Tag: misc/cutover-egcs-0~6261
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=55be783d95e0001fad3463718481e10d3f502b7d;p=thirdparty%2Fgcc.git

(SECONDARY_MEMORY_NEEDED_RTX): Call assign_stack_local
if the frame has zero size.

From-SVN: r7682
---

diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h
index c9339c2cef99..1fb1bf07107f 100644
--- a/gcc/config/sparc/sparc.h
+++ b/gcc/config/sparc/sparc.h
@@ -1072,10 +1072,15 @@ extern char leaf_reg_remap[];
    GENERAL_REGS and FP_REGS.  */
 #define SECONDARY_MEMORY_NEEDED(CLASS1, CLASS2, MODE) ((CLASS1) != (CLASS2))
 
-/* Return the stack location to use for secondary memory needed reloads.  */
+/* Return the stack location to use for secondary memory needed reloads.
+   We want to use the reserved location just below the frame pointer.
+   However, we must ensure that there is a frame, so use assign_stack_local
+   if the frame size is zero.  */
 #define SECONDARY_MEMORY_NEEDED_RTX(MODE) \
-  gen_rtx (MEM, MODE, gen_rtx (PLUS, Pmode, frame_pointer_rtx,	\
-	   GEN_INT (STARTING_FRAME_OFFSET)))
+  (get_frame_size () == 0						\
+   ? assign_stack_local (mode, GET_MODE_SIZE (mode), 0)			\
+   : gen_rtx (MEM, MODE, gen_rtx (PLUS, Pmode, frame_pointer_rtx,	\
+				  GEN_INT (STARTING_FRAME_OFFSET))))
 
 /* Get_secondary_mem widens it's argument to BITS_PER_WORD which loses on v9
    because the movsi and movsf patterns don't handle r/f moves.