gcc: Sync patches with buildroot

This commit sync gcc patches with buildroot.
I found this useful for fixing a few uClibc related issues.

Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>

3 files changed, 0 insertions, 168 deletions

diff --git a/patches/gcc/4.8.4/001_gcc_bug_62231.patch b/patches/gcc/4.8.4/001_gcc_bug_62231.patch
deleted file mode 100644
index e7c9cf9..0000000
--- a/patches/gcc/4.8.4/001_gcc_bug_62231.patch
+++ /dev/null
@@ -1,129 +0,0 @@
-As-applied.  From:
-
-https://gcc.gnu.org/ml/gcc-patches/2014-09/msg02625.html
-
-Linked from bug62231 comment 4 there
-
-diff -durN a/gcc/defaults.h b/gcc/defaults.h
---- a/gcc/defaults.h	2013-01-10 12:38:27.000000000 -0800
-+++ b/gcc/defaults.h	2014-12-15 13:26:13.498904465 -0800
-@@ -438,6 +438,11 @@
- #define DWARF_FRAME_REGNUM(REG) DBX_REGISTER_NUMBER (REG)
- #endif
- 
-+/* The mapping from dwarf CFA reg number to internal dwarf reg numbers.  */
-+#ifndef DWARF_REG_TO_UNWIND_COLUMN
-+#define DWARF_REG_TO_UNWIND_COLUMN(REGNO) (REGNO)
-+#endif
-+
- /* Map register numbers held in the call frame info that gcc has
-    collected using DWARF_FRAME_REGNUM to those that should be output in
-    .debug_frame and .eh_frame.  */
-diff -durN a/gcc/dwarf2cfi.c b/gcc/dwarf2cfi.c
---- a/gcc/dwarf2cfi.c	2013-01-10 12:38:27.000000000 -0800
-+++ b/gcc/dwarf2cfi.c	2014-12-15 13:50:24.554883694 -0800
-@@ -225,7 +225,44 @@
-   emit_move_insn (adjust_address (mem, mode, offset), GEN_INT (size));
- }
- 
--/* Generate code to initialize the register size table.  */
-+/* Helper for expand_builtin_init_dwarf_reg_sizes.  Generate code to
-+   initialize the dwarf register size table entry corresponding to register
-+   REGNO in REGMODE.  TABLE is the table base address, SLOTMODE is the mode
-+   to use for the size entry to initialize, and WROTE_RETURN_COLUMN needs to
-+   be set to true if the dwarf register number for REGNO is the dwarf return
-+   column number.  */
-+
-+static
-+void init_one_dwarf_reg_size (int regno, enum machine_mode regmode,
-+			      rtx table, enum machine_mode slotmode,
-+			      bool *wrote_return_column)
-+{
-+  const unsigned int dnum = DWARF_FRAME_REGNUM (regno);
-+  const unsigned int rnum = DWARF2_FRAME_REG_OUT (dnum, 1);
-+  const unsigned int dcol = DWARF_REG_TO_UNWIND_COLUMN (rnum);
-+  
-+  const HOST_WIDE_INT slotoffset = dcol * GET_MODE_SIZE (slotmode);
-+  const HOST_WIDE_INT regsize = GET_MODE_SIZE (regmode);
-+
-+  if (rnum >= DWARF_FRAME_REGISTERS)
-+    return;
-+
-+  if (dnum == DWARF_FRAME_RETURN_COLUMN)
-+    {
-+      if (regmode == VOIDmode)
-+	return;
-+      *wrote_return_column = true;
-+    }
-+
-+  if (slotoffset < 0)
-+    return;
-+
-+  emit_move_insn (adjust_address (table, slotmode, slotoffset),
-+		  gen_int_mode (regsize, slotmode));
-+}
-+
-+/* Generate code to initialize the dwarf register size table located
-+   at the provided ADDRESS.  */
- 
- void
- expand_builtin_init_dwarf_reg_sizes (tree address)
-@@ -238,30 +275,21 @@
- 
-   for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
-     {
--      unsigned int dnum = DWARF_FRAME_REGNUM (i);
--      unsigned int rnum = DWARF2_FRAME_REG_OUT (dnum, 1);
--
--      if (rnum < DWARF_FRAME_REGISTERS)
--	{
--	  HOST_WIDE_INT offset = rnum * GET_MODE_SIZE (mode);
--	  enum machine_mode save_mode = reg_raw_mode[i];
--	  HOST_WIDE_INT size;
--
--	  if (HARD_REGNO_CALL_PART_CLOBBERED (i, save_mode))
--	    save_mode = choose_hard_reg_mode (i, 1, true);
--	  if (dnum == DWARF_FRAME_RETURN_COLUMN)
--	    {
--	      if (save_mode == VOIDmode)
--		continue;
--	      wrote_return_column = true;
--	    }
--	  size = GET_MODE_SIZE (save_mode);
--	  if (offset < 0)
--	    continue;
-+      enum machine_mode save_mode = reg_raw_mode[i];
-+      rtx span;
- 
--	  emit_move_insn (adjust_address (mem, mode, offset),
--			  gen_int_mode (size, mode));
--	}
-+      span = targetm.dwarf_register_span (gen_rtx_REG (save_mode, i));
-+      if (!span)
-+        init_one_dwarf_reg_size (i, save_mode, mem, mode, &wrote_return_column);
-+      else
-+        {
-+          for (int si = 0; si < XVECLEN (span, 0); si++)
-+            {
-+              rtx reg = XVECEXP (span, 0, si);
-+              init_one_dwarf_reg_size
-+              (REGNO (reg), GET_MODE (reg), mem, mode, &wrote_return_column);
-+            }
-+        }
-     }
- 
-   if (!wrote_return_column)
-diff -durN a/libgcc/unwind-dw2.c b/libgcc/unwind-dw2.c
---- a/libgcc/unwind-dw2.c	2013-05-31 16:21:46.000000000 -0700
-+++ b/libgcc/unwind-dw2.c	2014-12-15 13:26:13.570904866 -0800
-@@ -55,10 +55,6 @@
- #define PRE_GCC3_DWARF_FRAME_REGISTERS DWARF_FRAME_REGISTERS
- #endif
- 
--#ifndef DWARF_REG_TO_UNWIND_COLUMN
--#define DWARF_REG_TO_UNWIND_COLUMN(REGNO) (REGNO)
--#endif
--
- /* ??? For the public function interfaces, we tend to gcc_assert that the
-    column numbers are in range.  For the dwarf2 unwind info this does happen,
-    although so far in a case that doesn't actually matter.
diff --git a/patches/gcc/4.8.4/002_gcc_bug_62231.patch b/patches/gcc/4.8.4/002_gcc_bug_62231.patch
deleted file mode 100644
index b970ebc..0000000
--- a/patches/gcc/4.8.4/002_gcc_bug_62231.patch
+++ /dev/null
@@ -1,18 +0,0 @@
-As-applied.  From:
-
-https://gcc.gnu.org/ml/gcc-patches/2014-10/msg02605.html
-
-Linked from bug62231 comment 4 there
-
-diff -durN a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
---- a/gcc/config/rs6000/rs6000.c	2014-12-08 17:29:04.000000000 -0800
-+++ b/gcc/config/rs6000/rs6000.c	2014-12-15 14:44:46.568801843 -0800
-@@ -1673,7 +1673,7 @@
-      SCmode so as to pass the value correctly in a pair of
-      registers.  */
-   else if (TARGET_E500_DOUBLE && FLOAT_MODE_P (mode) && mode != SCmode
--	   && !DECIMAL_FLOAT_MODE_P (mode))
-+	   && !DECIMAL_FLOAT_MODE_P (mode) && SPE_SIMD_REGNO_P (regno))
-     reg_size = UNITS_PER_FP_WORD;
- 
-   else
diff --git a/patches/gcc/4.8.4/003-PR57717-E500v2.patch b/patches/gcc/4.8.4/003-PR57717-E500v2.patch
deleted file mode 100644
index 723c710..0000000
--- a/patches/gcc/4.8.4/003-PR57717-E500v2.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-This backports fix from http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57717
-
-Upstream-Status: Backport
-Signed-off-by: Julian Brown <Julian_Brown@mentor.com>
-
-fix for PR57717 (PowerPC E500v2)
-http://gcc.gnu.org/ml/gcc-patches/2013-08/msg00668.html
-
---- a/gcc/config/rs6000/rs6000.c	2013-05-09 20:54:06.000000000 -0500
-+++ b/gcc/config/rs6000/rs6000.c	2013-08-28 01:25:24.865218744 -0500
-@@ -7385,9 +7385,7 @@
-       && GET_CODE (XEXP (x, 1)) == CONST_INT
-       && reg_offset_p
-       && !SPE_VECTOR_MODE (mode)
--      && !(TARGET_E500_DOUBLE && (mode == DFmode || mode == TFmode
--				  || mode == DDmode || mode == TDmode
--				  || mode == DImode))
-+      && !(TARGET_E500_DOUBLE && GET_MODE_SIZE (mode) > UNITS_PER_WORD)
-       && (!VECTOR_MODE_P (mode) || VECTOR_MEM_NONE_P (mode)))
-     {
-       HOST_WIDE_INT val = INTVAL (XEXP (x, 1));