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Re: DWARF2 exception doesn't work with gcc and gas on MIPS.

To: "H . J . Lu" <hjl@lucon.org>
Subject: Re: DWARF2 exception doesn't work with gcc and gas on MIPS.
From: Richard Henderson <rth@redhat.com>
Date: Thu, 14 Jun 2001 12:42:55 -0700
Cc: gcc@gcc.gnu.org, binutils@sourceware.cygnus.com, linux-mips@oss.sgi.com
In-reply-to: <20010614122550.B3668@lucon.org>; from hjl@lucon.org on Thu, Jun 14, 2001 at 12:25:50PM -0700
Mail-followup-to: Richard Henderson <rth@redhat.com>, "H . J . Lu" <hjl@lucon.org>, gcc@gcc.gnu.org, binutils@sourceware.cygnus.com, linux-mips@oss.sgi.com
References: <20010613212940.A22683@lucon.org> <20010614101951.B28824@redhat.com> <20010614114117.A3092@lucon.org> <20010614120543.B28888@redhat.com> <20010614122550.B3668@lucon.org>
Sender: owner-linux-mips@oss.sgi.com
User-agent: Mutt/1.2.5i
On Thu, Jun 14, 2001 at 12:25:50PM -0700, H . J . Lu wrote:
> 1. I see PIC_FUNCTION_ADDR_REGNUM be $25. gp is $28.  How does your
> patch restore $28?

That should be pic_offset_table_rtx instead.

> 2. I assum you set length to 8 for o64. Has anyone checked if the
> instruction is 8 byte on o64?

It may be 8 on o32 as well -- consider the nop that the
assembler may add.

> 2. Did you remove (set_attr "mode" "SI") for o64?

As far as I can tell that is not used except for mult/div
scheduling.


r~

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