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[Bug gas/22049] New: PowerPC VLE: Lower 16 bit address offset not calcul
From: |
vincegeg83 at gmail dot com |
Subject: |
[Bug gas/22049] New: PowerPC VLE: Lower 16 bit address offset not calculated properly in some cases |
Date: |
Wed, 30 Aug 2017 22:27:09 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=22049
Bug ID: 22049
Summary: PowerPC VLE: Lower 16 bit address offset not
calculated properly in some cases
Product: binutils
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: vincegeg83 at gmail dot com
Target Milestone: ---
The following instruction sequence generates an invalid address offset:
.org 0x100100
data0:
.short 0x1234
e_lis r4, address@hidden
e_lhz r4, address@hidden(r4)
... this will assemble to code that disassembles to:
e_lis r4, address@hidden
e_lhz r4, address@hidden
In other words, it does not calculate the lower 16 bit offset correctly. This
also fails:
e_lis r4, address@hidden
e_addi16 r4, r4, address@hidden
e_lhz r4, 0(r4)
Again, this assembles to reference address 0x100000 for data0. However, the
following sequence WORKS correctly:
e_lis r4, address@hidden
e_ori r4, r4, address@hidden
e_lhz r4, 0(r4)
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- [Bug gas/22049] New: PowerPC VLE: Lower 16 bit address offset not calculated properly in some cases,
vincegeg83 at gmail dot com <=