amdgcn: config.gcc - enable gfx1100 multilib; add gfx1100 to docs

gcc/ChangeLog:

	* config.gcc (amdgcn-*-*): Add gfx1100 to TM_MULTILIB_CONFIG.
	* doc/install.texi (Configuration amdgcn-*-*): Mention gfx1100.
	* doc/invoke.texi (AMD GCN Options): Add gfx1100 to -march/-mtune.

libgomp/ChangeLog:

	* testsuite/libgomp.c/declare-variant-4.h: Add variant functions
	for gfx1030 and gfx1100.
	* testsuite/libgomp.c/declare-variant-4-gfx1100.c: New test.

Signed-off-by: Tobias Burnus <tburnus@baylibre.com>

 gcc/config.gcc                                          |  2 +-
 gcc/doc/install.texi                                    | 12 ++++++------
 gcc/doc/invoke.texi                                     |  3 +++
 libgomp/testsuite/libgomp.c/declare-variant-4-gfx1100.c |  8 ++++++++
 libgomp/testsuite/libgomp.c/declare-variant-4.h         | 16 ++++++++++++++++
 5 files changed, 34 insertions(+), 7 deletions(-)

diff --git a/gcc/config.gcc b/gcc/config.gcc
index b2d7d7dd475..2343e98ebe6 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -4564,7 +4564,7 @@ case "${target}" in
 			TM_MULTILIB_CONFIG=
 			;;
 		xdefault | xyes)
-			TM_MULTILIB_CONFIG=`echo "gfx900,gfx906,gfx908,gfx90a" | sed "s/${with_arch},\?//;s/,$//"`
+			TM_MULTILIB_CONFIG=`echo "gfx900,gfx906,gfx908,gfx90a,gfx1100" | sed "s/${with_arch},\?//;s/,$//"`
 			;;
 		*)
 			TM_MULTILIB_CONFIG="${with_multilib_list}"
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 71593919389..5304ebd36a9 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -1258,12 +1258,12 @@ default set of libraries is selected based on the value of
 
 @item amdgcn*-*-*
 @var{list} is a comma separated list of ISA names (allowed values: @code{fiji},
-@code{gfx900}, @code{gfx906}, @code{gfx908}, @code{gfx90a}). It ought not
-include the name of the default ISA, specified via @option{--with-arch}.  If
-@var{list} is empty, then there will be no multilibs and only the default
-run-time library will be built.  If @var{list} is @code{default} or
-@option{--with-multilib-list=} is not specified, then the default set of
-libraries is selected.
+@code{gfx900}, @code{gfx906}, @code{gfx908}, @code{gfx90a}, @code{gfx1100}).
+It ought not include the name of the default ISA, specified
+via @option{--with-arch}.  If @var{list} is empty, then there will be no
+multilibs and only the default run-time library will be built.  If @var{list}
+is @code{default} or @option{--with-multilib-list=} is not specified, then
+the default set of libraries is selected.
 
 @item arm*-*-*
 @var{list} is a comma separated list of @code{aprofile} and
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 5f904cf1ef2..d1b2c284e2b 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -21723,6 +21723,9 @@ Compile for CDNA1 Instinct MI100 series devices (gfx908).
 @item gfx90a
 Compile for CDNA2 Instinct MI200 series devices (gfx90a).
 
+@item gfx1100
+Compile for RDNA3 gfx1100 devices (GFX11 series).
+
 @end table
 
 @opindex msram-ecc
diff --git a/libgomp/testsuite/libgomp.c/declare-variant-4-gfx1100.c b/libgomp/testsuite/libgomp.c/declare-variant-4-gfx1100.c
new file mode 100644
index 00000000000..6ade35224cc
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/declare-variant-4-gfx1100.c
@@ -0,0 +1,8 @@
+/* { dg-do link { target { offload_target_amdgcn } } } */
+/* { dg-additional-options -foffload=amdgcn-amdhsa } */
+/* { dg-additional-options -foffload=-march=gfx1100 } */
+/* { dg-additional-options "-foffload=-fdump-tree-optimized" } */
+
+#include "declare-variant-4.h"
+
+/* { dg-final { only_for_offload_target amdgcn-amdhsa scan-offload-tree-dump "= gfx1100 \\(\\);" "optimized" } } */
diff --git a/libgomp/testsuite/libgomp.c/declare-variant-4.h b/libgomp/testsuite/libgomp.c/declare-variant-4.h
index a70352430c2..393a5e295cc 100644
--- a/libgomp/testsuite/libgomp.c/declare-variant-4.h
+++ b/libgomp/testsuite/libgomp.c/declare-variant-4.h
@@ -35,6 +35,20 @@ gfx90a (void)
   return 0x90a;
 }
 
+__attribute__ ((noipa))
+int
+gfx1030 (void)
+{
+  return 0x1030;
+}
+
+__attribute__ ((noipa))
+int
+gfx1100 (void)
+{
+  return 0x1100;
+}
+
 #ifdef USE_FIJI_FOR_GFX803
 #pragma omp declare variant(gfx803) match(device = {isa("fiji")})
 #else
@@ -44,6 +58,8 @@ gfx90a (void)
 #pragma omp declare variant(gfx906) match(device = {isa("gfx906")})
 #pragma omp declare variant(gfx908) match(device = {isa("gfx908")})
 #pragma omp declare variant(gfx90a) match(device = {isa("gfx90a")})
+#pragma omp declare variant(gfx90a) match(device = {isa("gfx1030")})
+#pragma omp declare variant(gfx90a) match(device = {isa("gfx1100")})
 __attribute__ ((noipa))
 int
 f (void)