From: Richard Kenner <kenner@gcc.gnu.org>
Date: Fri, 2 Dec 1994 23:09:21 +0000 (-0500)
Subject: (subst_constant): Don't treat all virtual regs as constants, just
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=83b93f40ff739b33969532e40836e45fda586665;p=gcc.git

(subst_constant): Don't treat all virtual regs as constants, just
those that are off FP and AP, but not SP.

From-SVN: r8600
---

diff --git a/gcc/integrate.c b/gcc/integrate.c
index 6af0cf6293f..a4193502c6b 100644
--- a/gcc/integrate.c
+++ b/gcc/integrate.c
@@ -2616,12 +2616,12 @@ subst_constants (loc, insn, map)
 	if ((map->num_sets < MAX_RECOG_OPERANDS)
 	    && (CONSTANT_P (src)
 		|| (GET_CODE (src) == REG
-		    && REGNO (src) >= FIRST_VIRTUAL_REGISTER
-		    && REGNO (src) <= LAST_VIRTUAL_REGISTER)
+		    && (REGNO (src) == VIRTUAL_INCOMING_ARGS_REGNUM
+			|| REGNO (src) == VIRTUAL_STACK_VARS_REGNUM))
 		|| (GET_CODE (src) == PLUS
 		    && GET_CODE (XEXP (src, 0)) == REG
-		    && REGNO (XEXP (src, 0)) >= FIRST_VIRTUAL_REGISTER
-		    && REGNO (XEXP (src, 0)) <= LAST_VIRTUAL_REGISTER
+		    && (REGNO (XEXP (src, 0)) == VIRTUAL_INCOMING_ARGS_REGNUM
+			|| REGNO (XEXP (src, 0)) == VIRTUAL_STACK_VARS_REGNUM)
 		    && CONSTANT_P (XEXP (src, 1)))
 		|| GET_CODE (src) == COMPARE
 #ifdef HAVE_cc0