From: Richard Kenner <kenner@gcc.gnu.org>
Date: Wed, 16 Mar 1994 14:01:34 +0000 (-0500)
Subject: (gen_lowpart_common...
X-Git-Tag: misc/cutover-egcs-0~7148
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=65e8fe02bbc0f5b4afb64a01d51b8a82ad27112c;p=thirdparty%2Fgcc.git

(gen_lowpart_common...

(gen_lowpart_common, gen_highpart, operand_subword): Test input
against RTX for FP, AP, and SP, not same register number.

From-SVN: r6795
---

diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 01812c68ba98..7b9187d12cb5 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -625,11 +625,11 @@ gen_lowpart_common (mode, x)
 		   || ! rtx_equal_function_value_matters)
 	       /* We want to keep the stack, frame, and arg pointers
 		  special.  */
-	       && REGNO (x) != FRAME_POINTER_REGNUM
+	       && x != frame_pointer_rtx
 #if FRAME_POINTER_REGNUM != ARG_POINTER_REGNUM
-	       && REGNO (x) != ARG_POINTER_REGNUM
+	       && x != arg_pointer_rtx
 #endif
-	       && REGNO (x) != STACK_POINTER_REGNUM)
+	       && x != stack_pointer_rtx)
 	return gen_rtx (REG, mode, REGNO (x) + word);
       else
 	return gen_rtx (SUBREG, mode, x, word);
@@ -935,11 +935,11 @@ gen_highpart (mode, x)
 	  && (! REG_FUNCTION_VALUE_P (x)
 	      || ! rtx_equal_function_value_matters)
 	  /* We want to keep the stack, frame, and arg pointers special.  */
-	  && REGNO (x) != FRAME_POINTER_REGNUM
+	  && x != frame_pointer_rtx
 #if FRAME_POINTER_REGNUM != ARG_POINTER_REGNUM
-	  && REGNO (x) != ARG_POINTER_REGNUM
+	  && x != arg_pointer_rtx
 #endif
-	  && REGNO (x) != STACK_POINTER_REGNUM)
+	  && x != stack_pointer_rtx)
 	return gen_rtx (REG, mode, REGNO (x) + word);
       else
 	return gen_rtx (SUBREG, mode, x, word);
@@ -1026,11 +1026,11 @@ operand_subword (op, i, validate_address, mode)
 		   && rtx_equal_function_value_matters)
 	       /* We want to keep the stack, frame, and arg pointers
 		  special.  */
-	       || REGNO (op) == FRAME_POINTER_REGNUM
+	       || op == frame_pointer_rtx
 #if FRAME_POINTER_REGNUM != ARG_POINTER_REGNUM
-	       || REGNO (op) == ARG_POINTER_REGNUM
+	       || op == arg_pointer_rtx
 #endif
-	       || REGNO (op) == STACK_POINTER_REGNUM)
+	       || op == stack_pointer_rtx)
 	return gen_rtx (SUBREG, word_mode, op, i);
       else
 	return gen_rtx (REG, word_mode, REGNO (op) + i);