From: Haochen Gui <guihaoc@gcc.gnu.org>
Date: Fri, 4 Jun 2021 03:04:31 +0000 (+0800)
Subject: rs6000: Expand PROMOTE_MODE marco in rs6000_promote_function_mode
X-Git-Tag: releases/gcc-11.3.0~953
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d3d198940e5b527e76da7282cc2ce59045b4844;p=thirdparty%2Fgcc.git

rs6000: Expand PROMOTE_MODE marco in rs6000_promote_function_mode

This patch prepares for the patch which disables mode
promotion of pseudos on rs6000.

gcc/ChangeLog:
	* config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
	Replace PROMOTE_MODE marco with its content.

(cherry picked from commit a3f6bd7891495a0ed65f7da7a55d36c730328692)
---

diff --git a/gcc/config/rs6000/rs6000-call.c b/gcc/config/rs6000/rs6000-call.c
index 7059f4fab1c7..38386ec6b5f4 100644
--- a/gcc/config/rs6000/rs6000-call.c
+++ b/gcc/config/rs6000/rs6000-call.c
@@ -6772,7 +6772,9 @@ rs6000_promote_function_mode (const_tree type ATTRIBUTE_UNUSED,
 			      int *punsignedp ATTRIBUTE_UNUSED,
 			      const_tree, int for_return ATTRIBUTE_UNUSED)
 {
-  PROMOTE_MODE (mode, *punsignedp, type);
+  if (GET_MODE_CLASS (mode) == MODE_INT
+      && GET_MODE_SIZE (mode) < (TARGET_32BIT ? 4 : 8))
+    mode = TARGET_32BIT ? SImode : DImode;
 
   return mode;
 }