From: bugzilla-daemon@libre-soc.org
To: libre-riscv-dev@lists.libre-riscv.org
Subject: [libre-riscv-dev] [Bug 286] DataPointer concept: long-immediate references
Date: Wed, 15 Apr 2020 06:41:16 +0000
Message-ID: <bug-286-13-53G8TSNz3v@https.bugs.libre-soc.org/> (raw)
In-Reply-To: <bug-286-13@https.bugs.libre-soc.org/>
https://bugs.libre-soc.org/show_bug.cgi?id=286
cand@gmx.com changed:
What |Removed |Added
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CC| |cand@gmx.com
--- Comment #1 from cand@gmx.com ---
A banked data scheme, like on the 65816, would be a slightly simpler version.
Instead of incrementing a pointer, the data bank register contains the high
bits, and the instruction contains the low bits. Such a setup also lets you
access larger-than-11-bit immediates, and is basically MIPS's small data
section made customizable.
It would still be relocatable, just in 11 bit alignments. The linker would
adjust the set-data-bank-register instructions on program load, for
position-independent code.
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Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-14 17:02 [libre-riscv-dev] [Bug 286] New: " bugzilla-daemon
2020-04-15 6:41 ` bugzilla-daemon [this message]
2020-04-15 9:10 ` [libre-riscv-dev] [Bug 286] " bugzilla-daemon
2020-04-15 9:23 ` bugzilla-daemon
2020-04-15 10:00 ` bugzilla-daemon
2020-04-15 18:44 ` bugzilla-daemon
2020-04-15 19:22 ` bugzilla-daemon
2020-04-15 19:40 ` bugzilla-daemon
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