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revert 6dcad60c0ef48af584395a40feeb256fb82986a8
as it breaks any userland in qemu
diff -Nur gcc-6.3.0.orig/gcc/config/microblaze/microblaze.h gcc-6.3.0/gcc/config/microblaze/microblaze.h
--- gcc-6.3.0.orig/gcc/config/microblaze/microblaze.h 2016-01-21 18:10:54.000000000 +0100
+++ gcc-6.3.0/gcc/config/microblaze/microblaze.h 2017-05-26 18:33:31.297534916 +0200
@@ -253,14 +253,14 @@
#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
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