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| author | Syrone Wong <wong.syrone@gmail.com> | 2016-07-13 21:57:05 +0800 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2016-07-15 14:17:58 +0200 |
| commit | 445604a915e8ed4669b3ef3c622259c7ca0081c1 (patch) | |
| tree | 43d7878a49fc1b6579081828f0b94d2affd6ffe4 /toolchain/gcc/patches/6.1.0/001-revert_register_mode_search.patch | |
| parent | a4e90e2cac9d0afb41842b8a197b3acee903b9ad (diff) | |
| download | master-31e0f0ae-445604a915e8ed4669b3ef3c622259c7ca0081c1.tar.gz master-31e0f0ae-445604a915e8ed4669b3ef3c622259c7ca0081c1.tar.bz2 master-31e0f0ae-445604a915e8ed4669b3ef3c622259c7ca0081c1.zip | |
toolchain/gcc: add 6.1.0
-fno-plt and musl-libc patches already get upstream, then dropped
in GCC 6. Other patches are almost identical compared to GCC 5.4.
Compile and run tested on ar71xx/Qihoo C301 and
mvebu/Linksys WRT1900ac v1
Signed-off-by: Syrone Wong <wong.syrone@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name> [cleanups/fixes]
Diffstat (limited to 'toolchain/gcc/patches/6.1.0/001-revert_register_mode_search.patch')
| -rw-r--r-- | toolchain/gcc/patches/6.1.0/001-revert_register_mode_search.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/6.1.0/001-revert_register_mode_search.patch b/toolchain/gcc/patches/6.1.0/001-revert_register_mode_search.patch new file mode 100644 index 0000000000..bd6fbdb4a9 --- /dev/null +++ b/toolchain/gcc/patches/6.1.0/001-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) |