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author | Felix Fietkau <nbd@openwrt.org> | 2014-09-30 21:36:28 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2014-09-30 21:36:28 +0000 |
commit | cb119e2a69ddf235255398175ecaba7d8081b775 (patch) | |
tree | b4d530ae2a45f90e96e4f955c8ffdc759d7ab3ee /toolchain/gcc/patches/4.9-linaro/001-revert_register_mode_search.patch | |
parent | 1637363e95163a4643ffa285a38f9e6fc8b25b8f (diff) | |
download | upstream-cb119e2a69ddf235255398175ecaba7d8081b775.tar.gz upstream-cb119e2a69ddf235255398175ecaba7d8081b775.tar.bz2 upstream-cb119e2a69ddf235255398175ecaba7d8081b775.zip |
gcc: add 4.9-linaro based on the 2014.09 release
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 42706
Diffstat (limited to 'toolchain/gcc/patches/4.9-linaro/001-revert_register_mode_search.patch')
-rw-r--r-- | toolchain/gcc/patches/4.9-linaro/001-revert_register_mode_search.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/4.9-linaro/001-revert_register_mode_search.patch b/toolchain/gcc/patches/4.9-linaro/001-revert_register_mode_search.patch new file mode 100644 index 0000000000..5adb22ad42 --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/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 +@@ -621,35 +621,40 @@ 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) |