rtl.texi (fma): Clarify documentation.

gcc/
	* doc/rtl.texi (fma): Clarify documentation.

From-SVN: r220888

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ca429c08d63c87c7b2ec15384fa6897b27233864..8c2ea4ae6002950b0f491eedfbe80c860a98300b 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2015-02-21  Richard Sandiford  <richard.sandiford@arm.com>
+
+       * doc/rtl.texi (fma): Clarify documentation.
+
 2015-02-20  Aldy Hernandez  <aldyh@redhat.com>
 
        PR debug/58123

diff --git a/gcc/doc/rtl.texi b/gcc/doc/rtl.texi
index 061ab79db14b97ace5aa861f1b4049fa8a24a9b6..a5275f4ba0cdaed0f6363a4991fce8229cfc1890 100644 (file)
--- a/gcc/doc/rtl.texi
+++ b/gcc/doc/rtl.texi
@@ -2306,8 +2306,8 @@ For unsigned widening multiplication, use the same idiom, but with
 @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