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optimization/3700: ISSUE_RATE not defined for mips target
- To: gcc-gnats at gcc dot gnu dot org
- Subject: optimization/3700: ISSUE_RATE not defined for mips target
- From: athena at fftw dot org
- Date: 16 Jul 2001 17:11:13 -0000
- Reply-To: athena at fftw dot org
>Number: 3700
>Category: optimization
>Synopsis: ISSUE_RATE not defined for mips target
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: unassigned
>State: open
>Class: pessimizes-code
>Submitter-Id: net
>Arrival-Date: Mon Jul 16 10:16:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: Matteo Frigo
>Release: gcc-3.0
>Organization:
>Environment:
IRIX64 fp98 6.5 04131233 IP27
>Description:
The ISSUE_RATE macro is not defined in gcc/config/mips/mips.h
As a consequence, the haifa scheduler assumes ISSUE_RATE = 1
and produces a totally wrong schedule.
>How-To-Repeat:
>Fix:
#define ISSUE_RATE 4
(or whatever makes sense on each target)
>Release-Note:
>Audit-Trail:
>Unformatted: