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| author | Syrone Wong <wong.syrone@gmail.com> | 2016-12-24 17:09:35 +0800 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2016-12-24 12:02:10 +0100 |
| commit | 0a5ccfbadda79f4626202b78326c4d3ffccf9bd1 (patch) | |
| tree | f16bcec33c3418bca8c26ee6b75dadcaf3fce2a2 /toolchain/gcc/patches/6.3.0/001-revert_register_mode_search.patch | |
| parent | 16725e2db0a4fbf72e05443049df3f0cfa2ad86b (diff) | |
| download | upstream-0a5ccfbadda79f4626202b78326c4d3ffccf9bd1.tar.gz upstream-0a5ccfbadda79f4626202b78326c4d3ffccf9bd1.tar.bz2 upstream-0a5ccfbadda79f4626202b78326c4d3ffccf9bd1.zip | |
toolchain/gcc: update 6.x to 6.3.0
This is a bugfix release
Build and run tested on mvebu/Linksys WRT1900AC v1
Signed-off-by: Syrone Wong <wong.syrone@gmail.com>
Diffstat (limited to 'toolchain/gcc/patches/6.3.0/001-revert_register_mode_search.patch')
| -rw-r--r-- | toolchain/gcc/patches/6.3.0/001-revert_register_mode_search.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/6.3.0/001-revert_register_mode_search.patch b/toolchain/gcc/patches/6.3.0/001-revert_register_mode_search.patch new file mode 100644 index 0000000000..bd6fbdb4a9 --- /dev/null +++ b/toolchain/gcc/patches/6.3.0/001-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) |