gcc: allow gcc 7.1 for microblaze architecture

Add patch from gcc upstream master to fix an issue.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/package/gcc/7.1.0/0892-microblaze-Revert.patch b/package/gcc/7.1.0/0892-microblaze-Revert.patch
new file mode 100644 (file)
index 0000000..7026d0e
--- /dev/null
+++ b/package/gcc/7.1.0/0892-microblaze-Revert.patch
@@ -0,0 +1,40 @@
+From 707a69dfb56a2976e2b5c010f0e5cb2ac9905a07 Mon Sep 17 00:00:00 2001
+From: eager <eager@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Sat, 27 May 2017 18:29:40 +0000
+Subject: [PATCH]       Revert:         2016-01-21  Ajit Agarwal 
+ <ajitkum@xilinx.com>
+
+       See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
+
+       * config/microblaze/microblaze.h
+       (FIXED_REGISTERS): Update in macro.
+       (CALL_USED_REGISTERS): Update in macro.
+
+
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@248540 138bc75d-0d04-0410-961f-82ee72b054a4
+Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
+diff --git a/gcc/config/microblaze/microblaze.h b/gcc/config/microblaze/microblaze.h
+index 66e4ef5..2c9ece1 100644
+--- a/gcc/config/microblaze/microblaze.h
++++ b/gcc/config/microblaze/microblaze.h
+@@ -269,14 +269,14 @@ extern enum pipeline_type microblaze_pipe;
+ #define FIXED_REGISTERS                                                       \
+ {                                                                     \
+   1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1,                     \
+-  1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,                     \
++  1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,                     \
+   1, 1, 1, 1                                                          \
+ }
+ 
+ #define CALL_USED_REGISTERS                                           \
+ {                                                                     \
+   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,                     \
+-  1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,                     \
++  1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,                     \
+   1, 1, 1, 1                                                          \
+ }
+ #define GP_REG_FIRST    0
+-- 
+2.1.4
+

diff --git a/package/gcc/Config.in.host b/package/gcc/Config.in.host
index 2b78b29d4ac9b4c4bacd6cd6e199f6654a168477..5dcaa03ff0cd0ee46f4e65b4bade4bc65e371f30 100644 (file)
--- a/package/gcc/Config.in.host
+++ b/package/gcc/Config.in.host
@@ -67,7 +67,6 @@ config BR2_GCC_VERSION_7_X
        bool "gcc 7.x"
        # Broken or unsupported architectures
        depends on !BR2_arc
-       depends on !BR2_microblaze
        depends on !BR2_or1k
        # Unsupported MIPS cores
        depends on !BR2_mips_m6250 && !BR2_mips_p6600