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authorSyrone Wong <wong.syrone@gmail.com>2016-09-03 18:31:14 +0800
committerFelix Fietkau <nbd@nbd.name>2016-09-04 13:36:09 +0200
commitf8c7e935ef8060b8ab2f5ca52832ef8dfea361bc (patch)
tree7f0a398d55e7d4b181a392bffae21e0a46210c78 /toolchain/gcc/patches/6.2.0/001-revert_register_mode_search.patch
parentaa53f78038d541052de8764323f6f26578327606 (diff)
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toolchain/gcc: bump GCC 6.1.0 to 6.2.0
Compile and run tested on ar71xx and mvebu Signed-off-by: Syrone Wong <wong.syrone@gmail.com>
Diffstat (limited to 'toolchain/gcc/patches/6.2.0/001-revert_register_mode_search.patch')
-rw-r--r--toolchain/gcc/patches/6.2.0/001-revert_register_mode_search.patch65
1 files changed, 65 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/6.2.0/001-revert_register_mode_search.patch b/toolchain/gcc/patches/6.2.0/001-revert_register_mode_search.patch
new file mode 100644
index 0000000000..bd6fbdb4a9
--- /dev/null
+++ b/toolchain/gcc/patches/6.2.0/001-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
+@@ -625,35 +625,40 @@ 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)