aboutsummaryrefslogtreecommitdiffstats
path: root/toolchain/gcc/patches/arc-2016.03/001-revert_register_mode_search.patch
diff options
context:
space:
mode:
authorAlexey Brodkin <abrodkin@synopsys.com>2016-06-20 15:37:46 +0200
committerZoltan HERPAI <wigyori@uid0.hu>2016-06-20 15:37:46 +0200
commitd44ce810e4aa73562eaeef5ef0b3f0d26b3053cf (patch)
treeb8e27780c2a68c6aba1523d0bca57014b9d10b33 /toolchain/gcc/patches/arc-2016.03/001-revert_register_mode_search.patch
parent870678baa7f8b9a65945237704d84d7724f42459 (diff)
downloadmaster-187ad058-d44ce810e4aa73562eaeef5ef0b3f0d26b3053cf.tar.gz
master-187ad058-d44ce810e4aa73562eaeef5ef0b3f0d26b3053cf.tar.bz2
master-187ad058-d44ce810e4aa73562eaeef5ef0b3f0d26b3053cf.zip
toolchain: Bump ARC tools to arc-2016.03
This change switches ARC tools to the most recent arc-2016.03 version. ARC GNU tools of version arc-2016.03 bring some quite significant changes like: * Binutils v2.26+ (upstream commit id 202ac19 with additional ARC * patches) * GCC v4.8.5 * GDB 7.10 More about changes, improvements and fixes could be found here: https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/releases/tag/arc-2016.03 Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Diffstat (limited to 'toolchain/gcc/patches/arc-2016.03/001-revert_register_mode_search.patch')
-rw-r--r--toolchain/gcc/patches/arc-2016.03/001-revert_register_mode_search.patch65
1 files changed, 65 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/arc-2016.03/001-revert_register_mode_search.patch b/toolchain/gcc/patches/arc-2016.03/001-revert_register_mode_search.patch
new file mode 100644
index 0000000000..162d651394
--- /dev/null
+++ b/toolchain/gcc/patches/arc-2016.03/001-revert_register_mode_search.patch
@@ -0,0 +1,65 @@
+Revert of:
+
+commit 275035b56823b26d5fb7e90fad945b998648edf2
+Author: bergner <bergner@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Thu Sep 5 14:09:07 2013 +0000
+
+ PR target/58139
+ * reginfo.c (choose_hard_reg_mode): Scan through all mode classes
+ looking for widest mode.
+
+
+ git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202286 138bc75d-0d04-0410-961f-82ee72b054a4
+
+
+--- a/gcc/reginfo.c
++++ b/gcc/reginfo.c
+@@ -620,35 +620,40 @@ choose_hard_reg_mode (unsigned int regno
+ mode = GET_MODE_WIDER_MODE (mode))
+ if ((unsigned) hard_regno_nregs[regno][mode] == nregs
+ && HARD_REGNO_MODE_OK (regno, mode)
+- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
+- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
++ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
+ found_mode = mode;
+
++ if (found_mode != VOIDmode)
++ return found_mode;
++
+ for (mode = GET_CLASS_NARROWEST_MODE (MODE_FLOAT);
+ mode != VOIDmode;
+ mode = GET_MODE_WIDER_MODE (mode))
+ if ((unsigned) hard_regno_nregs[regno][mode] == nregs
+ && HARD_REGNO_MODE_OK (regno, mode)
+- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
+- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
++ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
+ found_mode = mode;
+
++ if (found_mode != VOIDmode)
++ return found_mode;
++
+ for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_FLOAT);
+ mode != VOIDmode;
+ mode = GET_MODE_WIDER_MODE (mode))
+ if ((unsigned) hard_regno_nregs[regno][mode] == nregs
+ && HARD_REGNO_MODE_OK (regno, mode)
+- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
+- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
++ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
+ found_mode = mode;
+
++ if (found_mode != VOIDmode)
++ return found_mode;
++
+ for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_INT);
+ mode != VOIDmode;
+ mode = GET_MODE_WIDER_MODE (mode))
+ if ((unsigned) hard_regno_nregs[regno][mode] == nregs
+ && HARD_REGNO_MODE_OK (regno, mode)
+- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
+- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
++ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
+ found_mode = mode;
+
+ if (found_mode != VOIDmode)