microblaze: apply gcc patches from meta-xilinx repository

This patchset fixes many known issues on gnu-toolchain for microblaze.
But mainly the atomic-cas and binutils incorrect relocation issues.

Patches obtained from https://github.com/xilinx/meta-xilinx/ repository,
from meta-microblaze/recipes-devtools/gcc path.
Below is a list of patches applied and squashed. Some patches that were
already applied were reverted and re-applied to avoid conflicts.

0001-LOCAL-Testsuite-builtins-tests-require-fpic.patch
0002-LOCAL-Quick-fail-g-.dg-opt-memcpy1.C.patch
0003-LOCAL-For-dejagnu-static-testing-on-qemu-suppress-wa.patch
0004-Patch-testsuite-Add-MicroBlaze-to-target-supports-fo.patch
0005-Patch-testsuite-Update-MicroBlaze-strings-test.patch
0006-Patch-testsuite-Allow-MicroBlaze-.weakext-pattern-in.patch
0007-Patch-testsuite-Add-MicroBlaze-to-check_profiling_av.patch
0008-Patch-microblaze-Fix-atomic-side-effects.patch
0009-Patch-microblaze-Fix-atomic-boolean-return-value.patch
0010-Patch-microblaze-Fix-the-Microblaze-crash-with-msmal.patch
0011-Patch-microblaze-Added-ashrsi3_with_size_opt.patch
0012-Patch-microblaze-Use-bralid-for-profiler-calls.patch
0013-Patch-microblaze-Removed-moddi3-routinue.patch
0014-Patch-microblaze-Add-INIT_PRIORITY-support-Added.patch
0015-Patch-microblaze-Add-optimized-lshrsi3.patch
0016-Patch-microblaze-Add-cbranchsi4_reg.patch
0017-Patch-microblaze-Inline-Expansion-of-fsqrt-builtin.patch
0018-PATCH-microblaze.md-Improve-adddi3-and-subdi3-insn-d.patch
0019-Patch-microblaze-Update-ashlsi3-movsf-patterns.patch
0020-Patch-microblaze-8-stage-pipeline-for-microblaze.patch
0021-PATCH-21-53-Patch-microblaze-Correct-the-const-high-.patch
0022-Fix-microblaze-Fix-internal-compiler-error-with-msma.patch
0023-patch-microblaze-Fix-the-calculation-of-high-word-in.patch
0024-Patch-MicroBlaze-this-patch-has-1.Fixed-the-bug-in.patch
0025-Fixing-the-issue-with-the-builtin_alloc.patch
0026-Patch-Microblaze-Removed-fsqrt-generation-for-double.patch
0027-Patch-MicroBlaze-Intial-commit-of-64-bit-Microblaze.patch
0028-Intial-commit-for-64bit-MB-sources.patch
0029-Patch-MicroBlaze-re-arrangement-of-the-compare-branc.patch
0030-Patch-Microblaze-previous-commit-broke-the-handling-.patch
0031-Patch-Microblaze-Support-of-multilibs-with-m64.patch
0032-Patch-MicroBlaze-Fixed-issues-like.patch
0033-Patch-MicroBlaze.patch
0034-Added-double-arith-instructions.patch
0035-Fixed-the-issue-in-the-delay-slot-with-swap-instruct.patch
0036-Fixed-the-load-store-issue-with-the-32bit-arith-libr.patch
0037-extending-the-Dwarf-support-to-64bit-Microblaze.patch
0038-fixing-the-typo-errors-in-umodsi3-file.patch
0039-fixing-the-32bit-LTO-related-issue9-1014024.patch
0040-Fixed-the-missing-stack-adjustment-in-prologue-of-mo.patch
0041-Patch-Microblaze-corrected-SPN-for-dlong-instruction.patch
0042-fixing-the-long-long-long-mingw-toolchain-issue.patch
0043-Fix-the-MB-64-bug-of-handling-QI-objects.patch
0044-Patch-Microblaze-We-will-check-the-possibility-of-pe.patch
0045-Patch-MicroBlaze-fixed-typos-in-mul-div-and-mod-asse.patch
0046-Patch-microblaze-MB-64-removal-of-barrel-shift-instr.patch
0047-Added-new-MB-64-single-register-arithmetic-instructi.patch
0048-Patch-MicroBlaze-Added-support-for-64-bit-Immediate-.patch
0049-Patch-microblaze-Fix-Compiler-crash-with-freg-struct.patch
0050-Patch-microblaze-Add-TARGET_OPTION_OPTIMIZATION-and-.patch
0051-Patch-microblaze-Reducing-Stack-space-for-arguments.patch
0052-Patch-MicroBlaze.patch
0053-patch-microblaze64-Add-Zero_extended-instructions.patch

Signed-off-by: Alp Sayin <alpsayin@gmail.com>

Author: alpsayin

gcc/common/config/microblaze/microblaze-common.cc

@@ -24,7 +24,20 @@
 #include "common/common-target.h"
 #include "common/common-target-def.h"
 
+/* Implement TARGET_OPTION_OPTIMIZATION_TABLE.  */
+static const struct default_options microblaze_option_optimization_table[] =
+  {
+    /* Turn off ivopts by default. It messes up cse.
+    { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, */
+    { OPT_LEVELS_ALL, OPT_fivopts, NULL, 0 },
+    { OPT_LEVELS_NONE, 0, NULL, 0 }
+  };
+
+
 #undef TARGET_DEFAULT_TARGET_FLAGS
 #define TARGET_DEFAULT_TARGET_FLAGS	TARGET_DEFAULT
 
+#undef TARGET_OPTION_OPTIMIZATION_TABLE
+#define TARGET_OPTION_OPTIMIZATION_TABLE microblaze_option_optimization_table
+
 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;

gcc/config/microblaze/constraints.md

@@ -52,6 +52,12 @@
   (and (match_code "const_int")
        (match_test "ival > 0 && ival < 0x10000")))
 
+(define_constraint "K"
+  "A constant in the range  -9223372036854775808 to 9223372036854775807 (inclusive)."
+  (and (match_code "const_int")
+       (match_test "ival > (long long)-9223372036854775808  && ival < (long long)9223372036854775807")))
+
+
 ;; Define floating point constraints
 
 (define_constraint "G"

gcc/config/microblaze/microblaze-c.cc

@@ -100,4 +100,11 @@ microblaze_cpp_define (cpp_reader *pfile)
         builtin_define ("HAVE_HW_FPU_SQRT");
       builtin_define ("__HAVE_HW_FPU_SQRT__");
     }
+  if (TARGET_MB_64)
+    {
+      builtin_define ("__microblaze64");	
+      builtin_define ("__arch64__");
+      builtin_define ("__microblaze64__");
+      builtin_define ("__MICROBLAZE64__");
+    }
 }  

gcc/config/microblaze/microblaze-protos.h

@@ -33,9 +33,10 @@ extern int microblaze_expand_shift (rtx *);
 extern bool microblaze_expand_move (machine_mode, rtx *);
 extern bool microblaze_expand_block_move (rtx, rtx, rtx, rtx);
 extern void microblaze_expand_divide (rtx *);
-extern void microblaze_expand_conditional_branch (machine_mode, rtx *);
+extern void microblaze_expand_conditional_branch (enum machine_mode, rtx *);
 extern void microblaze_expand_conditional_branch_reg (machine_mode, rtx *);
 extern void microblaze_expand_conditional_branch_sf (rtx *); 
+extern void microblaze_expand_conditional_branch_df (rtx *); 
 extern int microblaze_can_use_return_insn (void);
 extern void print_operand (FILE *, rtx, int);
 extern void print_operand_address (FILE *, rtx);
@@ -59,6 +60,7 @@ extern int symbol_mentioned_p (rtx);
 extern int label_mentioned_p (rtx);
 extern bool microblaze_cannot_force_const_mem (machine_mode, rtx);
 extern void microblaze_eh_return (rtx op0);
+int  microblaze_reg_parm_stack_space(tree fun);
 #endif  /* RTX_CODE */
 
 /* Declare functions in microblaze-c.cc.  */