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Re: Assembler backend (was: GNU Sather Status)
From: |
Thomas Wicklund |
Subject: |
Re: Assembler backend (was: GNU Sather Status) |
Date: |
Mon, 26 Mar 2001 10:19:42 -0800 (PST) |
How do other GNU compilers do this? I believe that GNU FORTRAN and
Ada use the common back end, in addition to the numerous C variants.
Do the supporters of each compiler need to re-port to a new back end
periodically?
Matthew Browne writes:
>
> The most obvious candidate to replace C would be the GNU RTL
> format used internally by GCC but this is not really suitable
> for a number of reasons. Worst of all, the GCC documentation
> says "don't do it!". Some compilers still generate RTL anyway
> but usually every time there's a new GCC release, they break
> and have to be changed. Additionally, in my humble opinion,
> RTL is a little too low level to efficiently generate assembly
> code for the different CPU architectures.