[Webkit-unassigned] [Bug 124492] [MIPS] Offlineasm failures.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=124492





--- Comment #3 from Balazs Kilvady <kilvadyb at homejinni.com>  2013-12-31 06:14:22 PST ---
(In reply to comment #2)
> This still happens when building QtWebKit 5.2 (based on WebKit 538.1) on Debian GNU/Linux:
> 
> g++ -c -Wall -Wextra -Wreturn-type -fno-strict-aliasing -Wchar-subscripts -Wformat-security -llint/LowLevelInterpreter.cpp
> /tmp/ccbkplyb.s: Assembler messages:
> /tmp/ccbkplyb.s:34: Warning: no .cprestore pseudo-op used in PIC code
> ...
> /tmp/ccbkplyb.s:581: Warning: no .cprestore pseudo-op used in PIC code
> /tmp/ccbkplyb.s:638: Error: opcode not supported on this processor: mips2 (mips2) `movz $v0,$t8,$t7'
> /tmp/ccbkplyb.s:758: Error: opcode not supported on this processor: mips2 (mips2) `movn $v0,$t8,$t7'

movz and movn instructions are included in MIPS32 specification and we support MIPS32(r1) and MIPS32r2 processors only. So -mips32 or -mips32r2 flag should be added to the command line of the  cross compiler (in qmake.conf).

As Qt port was removed from WebKit trunk, 5.1 was the last supported Qt version on MIPS.

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