Manage objfiles with shared_ptr

[deliverable/binutils-gdb.git] / gas / doc / c-mips.texi

diff --git a/gas/doc/c-mips.texi b/gas/doc/c-mips.texi
index 2682e3650246d8d4835dd62f6a72995f785162c0..1df28c6d55b246863b81da544b883bffdcf5cbfd 100644 (file)
--- a/gas/doc/c-mips.texi
+++ b/gas/doc/c-mips.texi
@@ -1,4 +1,4 @@
-@c Copyright (C) 1991-2018 Free Software Foundation, Inc.
+@c Copyright (C) 1991-2019 Free Software Foundation, Inc.
 @c This is part of the GAS manual.
 @c For copying conditions, see the file as.texinfo.
 @ifset GENERIC
@@ -308,6 +308,13 @@ Replace nops by @code{or at,at,zero} to work around the Loongson2F
 deadlock.  The issue has been solved in later Loongson2F batches, but
 this fix has no side effect to them.
 
+@item -mfix-loongson3-llsc
+@itemx -mno-fix-loongson3-llsc
+Insert @samp{sync} before @samp{ll} and @samp{lld} to work around
+Loongson3 LLSC errata.  Without it, under extrame cases, the CPU might
+deadlock. The default can be controlled by the
+@option{--enable-mips-fix-loongson3-llsc=[yes|no]} configure option.
+
 @item -mfix-vr4120
 @itemx -mno-fix-vr4120
 Insert nops to work around certain VR4120 errata.  This option is
@@ -327,6 +334,14 @@ Insert nops to work around the 24K @samp{eret}/@samp{deret} errata.
 Replace @code{pref} hints 0 - 4 and 6 - 24 with hint 28 to work around
 certain CN63XXP1 errata.
 
+@item -mfix-r5900
+@itemx -mno-fix-r5900
+Do not attempt to schedule the preceding instruction into the delay slot
+of a branch instruction placed at the end of a short loop of six
+instructions or fewer and always schedule a @code{nop} instruction there
+instead.  The short loop bug under certain conditions causes loops to
+execute only once or twice, due to a hardware bug in the R5900 chip.
+
 @item -m4010
 @itemx -no-m4010
 Generate code for the LSI R4010 chip.  This tells the assembler to
@@ -434,11 +449,13 @@ p5600,
 sb1,
 sb1a,
 i6400,
+i6500,
 p6600,
 loongson2e,
 loongson2f,
 gs464,
 gs464e,
+gs264e,
 octeon,
 octeon+,
 octeon2,