optimization/2903: Optimization bug with long long arithmetic

[Richard Earnshaw]

The following reply was made to PR optimization/2903; it has been noted by GNATS.

From: Richard Earnshaw <rearnsha@arm.com>
To: Sean McNeil <sean@mcneil.com>
Cc: rearnsha@gcc.gnu.org, gcc-bugs@gcc.gnu.org, gcc-gnats@gcc.gnu.org,
        nobody@gcc.gnu.org
Subject: Re: optimization/2903: Optimization bug with long long arithmetic 
Date: Mon, 16 Jul 2001 10:29:00 +0100

 > The tail end portion of the patch causes a build error.  I am building
 > the compiler now without it and will let you know if it works.
 > 
 > ***************
 > *** 9236,9243 ****
 >   
 >   ;; V5E instructions.
 >   
 > ! (define_insn "prefetch"
 > !   [(unspec_volatile
 >       [(match_operand:SI 0 "offsettable_memory_operand" "o")]
 > VUNSPEC_PREFETCH)]    "TARGET_ARM && arm_arch5e"
 >     "pld\\t%0")
 > --- 9236,9242 ----
 >   
 >   ;; V5E instructions.
 >   
 > ! (define_insn "ppec_volatile
 >       [(match_operand:SI 0 "offsettable_memory_operand" "o")]
 > VUNSPEC_PREFETCH)]    "TARGET_ARM && arm_arch5e"
 >     "pld\\t%0")
 > 
 
 I've no idea where that came from.  It certainly isn't a change I remember 
 making, and it is definitely wrong anyway.
 
 Thanks for pointing out the problem.
 
 R