From: Pitchumani Sivanupandi <pitchumani.s@atmel.com>
Date: Tue, 28 Jun 2016 17:56:37 +0000 (+0000)
Subject: re PR target/58655 ([avr] -mfract-convert-truncate not documented)
X-Git-Tag: basepoints/gcc-8~5981
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f0f4f914dc0c6667b1ee57ca9461fc26ec67bb3;p=thirdparty%2Fgcc.git

re PR target/58655 ([avr] -mfract-convert-truncate not documented)

	PR target/58655
	* config/avr/avr.opt (-mfract-convert-truncate): Update description.
	* doc/invoke.texi (AVR Options): Document it.

From-SVN: r237825
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cc515b733ab3..ddbe6f161b1d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-06-28  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
+
+	PR target/58655
+	* config/avr/avr.opt (-mfract-convert-truncate): Update description.
+	* doc/invoke.texi (AVR Options): Document it.
+
 2016-06-28  Walter Lee  <walt@tilera.com>
 
 	* config/tilegx/linux.h: Do not include arch/icache.h
diff --git a/gcc/config/avr/avr.opt b/gcc/config/avr/avr.opt
index 05aa4b6db986..1af792b8df08 100644
--- a/gcc/config/avr/avr.opt
+++ b/gcc/config/avr/avr.opt
@@ -97,7 +97,7 @@ Warn if the ISR is misspelled, i.e. without __vector prefix. Enabled by default.
 
 mfract-convert-truncate
 Target Report Mask(FRACT_CONV_TRUNC)
-Allow to use truncation instead of rounding towards 0 for fractional int types.
+Allow to use truncation instead of rounding towards zero for fractional fixed-point types.
 
 nodevicelib
 Driver Target Report RejectNegative
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 2c87c53d3d1d..4f24daebc01f 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -644,8 +644,8 @@ Objective-C and Objective-C++ Dialects}.
 @emph{AVR Options}
 @gccoptlist{-mmcu=@var{mcu} -maccumulate-args -mbranch-cost=@var{cost} @gol
 -mcall-prologues -mint8 -mn_flash=@var{size} -mno-interrupts @gol
--mrelax -mrmw -mstrict-X -mtiny-stack -nodevicelib -Waddr-space-convert @gol
--Wmisspelled-isr}
+-mrelax -mrmw -mstrict-X -mtiny-stack -mfract-convert-truncate -nodevicelib @gol
+-Waddr-space-convert -Wmisspelled-isr}
 
 @emph{Blackfin Options}
 @gccoptlist{-mcpu=@var{cpu}@r{[}-@var{sirevision}@r{]} @gol
@@ -14621,6 +14621,10 @@ sbiw r26, const   ; X -= const
 @opindex mtiny-stack
 Only change the lower 8@tie{}bits of the stack pointer.
 
+@item -mfract-convert-truncate
+@opindex mfract-convert-truncate
+Allow to use truncation instead of rounding towards zero for fractional fixed-point types.
+
 @item -nodevicelib
 @opindex nodevicelib
 Don't link against AVR-LibC's device specific library @code{lib<mcu>.a}.