* RFA: Tweak documentation of fma
@ 2015-02-03 14:29 Richard Sandiford
2015-02-12 16:41 ` Richard Sandiford
2015-02-12 22:03 ` Richard Henderson
0 siblings, 2 replies; 3+ messages in thread
From: Richard Sandiford @ 2015-02-03 14:29 UTC (permalink / raw)
To: gcc-patches
The original reason for this was to fix the missing space before "@var{z}".
"Do a combined multiply ... and then" didn't sound quite right though:
"and then" implies a separate step and so feels like a contradiction
of "combined".
Tested with "make doc html pdf". OK to install?
Thanks,
Richard
gcc/
* doc/rtl.texi (fma): Clarify documentation.
Index: gcc/doc/rtl.texi
===================================================================
--- gcc/doc/rtl.texi 2015-01-12 15:28:02.413075415 +0000
+++ gcc/doc/rtl.texi 2015-02-03 14:21:02.485178134 +0000
@@ -2306,8 +2306,8 @@ For unsigned widening multiplication, us
@findex fma
@item (fma:@var{m} @var{x} @var{y} @var{z})
Represents the @code{fma}, @code{fmaf}, and @code{fmal} builtin
-functions that do a combined multiply of @var{x} and @var{y} and then
-adding to@var{z} without doing an intermediate rounding step.
+functions, which compute @samp{@var{x} * @var{y} + @var{z}}
+without doing an intermediate rounding step.
@findex div
@findex ss_div
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: RFA: Tweak documentation of fma
2015-02-03 14:29 RFA: Tweak documentation of fma Richard Sandiford
@ 2015-02-12 16:41 ` Richard Sandiford
2015-02-12 22:03 ` Richard Henderson
1 sibling, 0 replies; 3+ messages in thread
From: Richard Sandiford @ 2015-02-12 16:41 UTC (permalink / raw)
To: gcc-patches
Ping.
Richard Sandiford <richard.sandiford@arm.com> writes:
> The original reason for this was to fix the missing space before "@var{z}".
> "Do a combined multiply ... and then" didn't sound quite right though:
> "and then" implies a separate step and so feels like a contradiction
> of "combined".
>
> Tested with "make doc html pdf". OK to install?
>
> Thanks,
> Richard
>
>
> gcc/
> * doc/rtl.texi (fma): Clarify documentation.
>
> Index: gcc/doc/rtl.texi
> ===================================================================
> --- gcc/doc/rtl.texi 2015-01-12 15:28:02.413075415 +0000
> +++ gcc/doc/rtl.texi 2015-02-03 14:21:02.485178134 +0000
> @@ -2306,8 +2306,8 @@ For unsigned widening multiplication, us
> @findex fma
> @item (fma:@var{m} @var{x} @var{y} @var{z})
> Represents the @code{fma}, @code{fmaf}, and @code{fmal} builtin
> -functions that do a combined multiply of @var{x} and @var{y} and then
> -adding to@var{z} without doing an intermediate rounding step.
> +functions, which compute @samp{@var{x} * @var{y} + @var{z}}
> +without doing an intermediate rounding step.
>
> @findex div
> @findex ss_div
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: RFA: Tweak documentation of fma
2015-02-03 14:29 RFA: Tweak documentation of fma Richard Sandiford
2015-02-12 16:41 ` Richard Sandiford
@ 2015-02-12 22:03 ` Richard Henderson
1 sibling, 0 replies; 3+ messages in thread
From: Richard Henderson @ 2015-02-12 22:03 UTC (permalink / raw)
To: gcc-patches, richard.sandiford
On 02/03/2015 06:29 AM, Richard Sandiford wrote:
> Represents the @code{fma}, @code{fmaf}, and @code{fmal} builtin
> -functions that do a combined multiply of @var{x} and @var{y} and then
> -adding to@var{z} without doing an intermediate rounding step.
> +functions, which compute @samp{@var{x} * @var{y} + @var{z}}
> +without doing an intermediate rounding step.
Ok.
r~
^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-02-12 16:41 ` Richard Sandiford
2015-02-12 22:03 ` Richard Henderson
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