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[ARC] Update mea option documentation

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Update -mea option documentation.

gcc/
xxxx-xx-xx  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.opt (mea): Update help string.
	* doc/invoke.texi(ARC): Update mea option info.

From-SVN: r277884
This commit is contained in:
Claudiu Zissulescu 2019-11-06 14:31:32 +01:00 committed by Claudiu Zissulescu
parent cca18f3bd5
commit 4d9329654c
3 changed files with 7 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2019-11-06 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.opt (mea): Update help string.
* doc/invoke.texi(ARC): Update mea option info.
2019-11-06 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.md (zero_extendqihi2_i): Cleanup pattern.

2
gcc/config/arc/arc.opt
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@ -175,7 +175,7 @@ Do not generate mpy instructions for ARC700.
mea
Target Report Mask(EA_SET)
Generate Extended arithmetic instructions. Currently only divaw, adds, subs and sat16 are supported.
Generate extended arithmetic instructions, only valid for ARC700.
msoft-float
Target Report Mask(0)

2
gcc/doc/invoke.texi
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@ -16627,7 +16627,7 @@ aux registers.
@opindex mea
Generate extended arithmetic instructions. Currently only
@code{divaw}, @code{adds}, @code{subs}, and @code{sat16} are
supported. This is always enabled for @option{-mcpu=ARC700}.
supported. Only valid for @option{-mcpu=ARC700}.
@item -mno-mpy
@opindex mno-mpy