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Re: Code emitted was bloated with no optimisation.
- From: Richard Sandiford <rsandifo at linux dot vnet dot ibm dot com>
- To: Andrew Haley <aph at redhat dot com>
- Cc: Umesh Kalappa <umesh dot kalappa0 at gmail dot com>, "gcc\ at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Fri, 11 Apr 2014 12:05:28 +0100
- Subject: Re: Code emitted was bloated with no optimisation.
- Authentication-results: sourceware.org; auth=none
- References: <CAGfacvRROXs0OrSHxLiyOC_Rq2VOxDK5Phk+ScYh0BLqQG8jiQ at mail dot gmail dot com> <5346B79E dot 50504 at redhat dot com>
Andrew Haley <firstname.lastname@example.org> writes:
> On 04/10/2014 04:12 PM, Umesh Kalappa wrote:
>> Please somebody from the group can share their thoughts and will be
>> appricate the same.
> But unoptimized code is expected to be large. Why do you expect
Sure, but this is a bit extreme. I don't see off-hand how a[i]
would generate a branch, for starters.
But it's very hard to answer this kind of question for a private port.
How is Pmode defined? If it's a partial integer mode like PSImode,
is the problem that the arithmetic is being done in SImode?