From: Kazu Hirata <kazu@hxi.com>
Date: Wed, 14 Nov 2001 14:28:06 +0000 (+0000)
Subject: h8300.c (get_shift_alg): Reorganize the code that deals with 7-bit shifts in HImode.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a77b1dbce6273d7618085c60ab4bdc4579420c39;p=gcc.git

h8300.c (get_shift_alg): Reorganize the code that deals with 7-bit shifts in HImode.

	* config/h8300/h8300.c (get_shift_alg): Reorganize the code
	that deals with 7-bit shifts in HImode.

From-SVN: r47014
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d22a17a9257..59761d3f514 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-11-14  Kazu Hirata  <kazu@hxi.com>
+
+	* config/h8300/h8300.c (get_shift_alg): Reorganize the code
+	that deals with 7-bit shifts in HImode.
+
 Wed Nov 14 14:17:05 CET 2001  Jan Hubicka  <jh@suse.cz>
 
 	* dbxout.c (dbxout_symbol_location): Update call of alter_subreg.
diff --git a/gcc/config/h8300/h8300.c b/gcc/config/h8300/h8300.c
index f9783927ab0..ea9c74dc8fe 100644
--- a/gcc/config/h8300/h8300.c
+++ b/gcc/config/h8300/h8300.c
@@ -2420,32 +2420,21 @@ get_shift_alg (shift_type, shift_mode, count, info)
     case HIshift:
       if (count == 7)
 	{
-	  if (shift_type == SHIFT_ASHIFT && TARGET_H8300)
-	    {
-	      info->special = "shar.b\t%t0\n\tmov.b\t%s0,%t0\n\trotxr.b\t%t0\n\trotr.b\t%s0\n\tand.b\t#0x80,%s0";
-	      goto end;
-	    }
-
-	  if (shift_type == SHIFT_ASHIFT && TARGET_H8300H)
-	    {
-	      info->special = "shar.b\t%t0\n\tmov.b\t%s0,%t0\n\trotxr.w\t%T0\n\tand.b\t#0x80,%s0";
-	      goto end;
-	    }
-
-	  if (shift_type == SHIFT_LSHIFTRT && TARGET_H8300)
+	  switch (shift_type)
 	    {
-	      info->special = "shal.b\t%s0\n\tmov.b\t%t0,%s0\n\trotxl.b\t%s0\n\trotl.b\t%t0\n\tand.b\t#0x01,%t0";
+	    case SHIFT_ASHIFT:
+	      if (TARGET_H8300)
+		info->special = "shar.b\t%t0\n\tmov.b\t%s0,%t0\n\trotxr.b\t%t0\n\trotr.b\t%s0\n\tand.b\t#0x80,%s0";
+	      else
+		info->special = "shar.b\t%t0\n\tmov.b\t%s0,%t0\n\trotxr.w\t%T0\n\tand.b\t#0x80,%s0";
 	      goto end;
-	    }
-
-	  if (shift_type == SHIFT_LSHIFTRT && TARGET_H8300H)
-	    {
-	      info->special = "shal.b\t%s0\n\tmov.b\t%t0,%s0\n\trotxl.w\t%T0\n\tand.b\t#0x01,%t0";
+	    case SHIFT_LSHIFTRT:
+	      if (TARGET_H8300)
+		info->special = "shal.b\t%s0\n\tmov.b\t%t0,%s0\n\trotxl.b\t%s0\n\trotl.b\t%t0\n\tand.b\t#0x01,%t0";
+	      else
+		info->special = "shal.b\t%s0\n\tmov.b\t%t0,%s0\n\trotxl.w\t%T0\n\tand.b\t#0x01,%t0";
 	      goto end;
-	    }
-
-	  if (shift_type == SHIFT_ASHIFTRT)
-	    {
+	    case SHIFT_ASHIFTRT:
 	      info->special = "shal.b\t%s0\n\tmov.b\t%t0,%s0\n\trotxl.b\t%s0\n\tsubx\t%t0,%t0";
 	      goto end;
 	    }