From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 14 Nov 2000 10:23:38 +0000 (+0000)
Subject: 	* reload1.c (emit_input_reload_insns): Honour forcing of constants
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=af9687ec6585c95c58d11b26801d8c2d1cdf89e4;p=thirdparty%2Fgcc.git

	* reload1.c (emit_input_reload_insns): Honour forcing of constants
	into memory by PREFERRED_RELOAD_CLASS NO_REGS.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37450 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ace6a8929f59..e4dbb1997430 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2000-11-14  Jakub Jelinek  <jakub@redhat.com>
+
+	* reload1.c (emit_input_reload_insns): Honour forcing of constants
+	into memory by PREFERRED_RELOAD_CLASS NO_REGS.
+
 2000-11-14  Michael Matz  <matzmich@cs.tu-berlin.de>
 
 	* dominance.c: New file.
diff --git a/gcc/reload1.c b/gcc/reload1.c
index 5441494aa3db..926d7960991b 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -6441,7 +6441,10 @@ emit_input_reload_insns (chain, rl, old, j)
 	      && ((reg_equiv_memory_loc
 		   [REGNO (SUBREG_REG (oldequiv))] != 0)
 		  || (reg_equiv_constant
-		      [REGNO (SUBREG_REG (oldequiv))] != 0))))
+		      [REGNO (SUBREG_REG (oldequiv))] != 0)))
+	  || (CONSTANT_P (oldequiv)
+	      && PREFERRED_RELOAD_CLASS (oldequiv,
+			REGNO_REG_CLASS (REGNO (reloadreg))) == NO_REGS))
 	real_oldequiv = rl->in;
       gen_reload (reloadreg, real_oldequiv, rl->opnum,
 		  rl->when_needed);