meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0031-Fixing-the-issue-with-the-builtin_alloc.patch

From 87da245d89fffe6a025037b4a53f66dafa7e1f84 Mon Sep 17 00:00:00 2001
From: Nagaraju Mekala <nmekala@xilix.com>
Date: Thu, 23 Feb 2017 17:09:04 +0530
Subject: [PATCH 31/58] Fixing the issue with the builtin_alloc.

register r18 was not properly handling the stack pattern
which was resolved by using free available register

signed-off-by:nagaraju mekala <nmekala@xilinx.com>
---
 gcc/config/microblaze/microblaze.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/gcc/config/microblaze/microblaze.md b/gcc/config/microblaze/microblaze.md
index fa6aabdb9d4..9de46d0ce24 100644
--- a/gcc/config/microblaze/microblaze.md
+++ b/gcc/config/microblaze/microblaze.md
@@ -2078,10 +2078,10 @@
   ""
   { 
     rtx retaddr = gen_rtx_MEM (Pmode, stack_pointer_rtx);
-    rtx rtmp    = gen_rtx_REG (SImode, R_TMP);
+    rtx reg = gen_reg_rtx (Pmode);
     rtx neg_op0;
 
-    emit_move_insn (rtmp, retaddr);
+    emit_move_insn (reg, retaddr);
     if (GET_CODE (operands[1]) != CONST_INT)
     {
         neg_op0 = gen_reg_rtx (Pmode);
@@ -2090,9 +2090,9 @@
         neg_op0 = GEN_INT (- INTVAL (operands[1]));
 
     emit_insn (gen_addsi3 (stack_pointer_rtx, stack_pointer_rtx, neg_op0));
-    emit_move_insn (gen_rtx_MEM (Pmode, stack_pointer_rtx), rtmp);
+    emit_move_insn (gen_rtx_MEM (Pmode, stack_pointer_rtx), reg);
     emit_move_insn (operands[0], virtual_stack_dynamic_rtx);
-    emit_insn (gen_rtx_CLOBBER (SImode, rtmp));
+    emit_insn (gen_rtx_CLOBBER (SImode, reg));
     DONE;
   }
 )
-- 
2.17.1