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Re: [patch] h8300: Optimize comparisons like A <= 3.

From: Kazu Hirata <kazu at cs dot umass dot edu>
To: ghazi at caip dot rutgers dot edu
Cc: gcc-patches at gcc dot gnu dot org
Date: Tue, 11 Feb 2003 12:41:06 -0500 (EST)
Subject: Re: [patch] h8300: Optimize comparisons like A <= 3.
References: <20030211.084337.77398695.kazu@cs.umass.edu><200302111551.KAA03096@caip.rutgers.edu>

Hi Kaveh,

>  > +       || INTVAL (operands[1]) == 64
> 
> Shouldn't this one be 63?-------------^^

Oops.  Thanks for spotting this.  Fixes thus.

2003-02-11  Kazu Hirata  <kazu@cs.umass.edu>

	* config/h8300/h8300.md (a peephole2): Fix a typo.

Index: h8300.md
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/h8300/h8300.md,v
retrieving revision 1.159
diff -u -r1.159 h8300.md
--- h8300.md	11 Feb 2003 13:43:20 -0000	1.159
+++ h8300.md	11 Feb 2003 17:37:38 -0000
@@ -3498,7 +3498,7 @@
        || INTVAL (operands[1]) == 7
        || INTVAL (operands[1]) == 15
        || INTVAL (operands[1]) == 31
-       || INTVAL (operands[1]) == 64
+       || INTVAL (operands[1]) == 63
        || INTVAL (operands[1]) == 127
        || INTVAL (operands[1]) == 65535)"
   [(set (match_dup 0)

References:
- [patch] h8300: Optimize comparisons like A <= 3.
  - From: Kazu Hirata
- Re: [patch] h8300: Optimize comparisons like A <= 3.
  - From: Kaveh R. Ghazi

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