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| author | Felix Fietkau <nbd@nbd.name> | 2017-05-04 15:18:13 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2017-05-25 19:01:07 +0200 |
| commit | 70c2c8ff3938d75425d544aac6a7e9966ae6a165 (patch) | |
| tree | 2b277c86d79e1185990226a6b7d53978430069ab /toolchain/gcc/patches/7.1.0/001-revert_register_mode_search.patch | |
| parent | a0f4b4b3a2cd4db1a2b9bab3c06970361192368f (diff) | |
| download | upstream-70c2c8ff3938d75425d544aac6a7e9966ae6a165.tar.gz upstream-70c2c8ff3938d75425d544aac6a7e9966ae6a165.tar.bz2 upstream-70c2c8ff3938d75425d544aac6a7e9966ae6a165.zip | |
toolchain: add gcc 7.1.0 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'toolchain/gcc/patches/7.1.0/001-revert_register_mode_search.patch')
| -rw-r--r-- | toolchain/gcc/patches/7.1.0/001-revert_register_mode_search.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/7.1.0/001-revert_register_mode_search.patch b/toolchain/gcc/patches/7.1.0/001-revert_register_mode_search.patch new file mode 100644 index 0000000000..adcc7c3c54 --- /dev/null +++ b/toolchain/gcc/patches/7.1.0/001-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 +@@ -637,35 +637,40 @@ 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) |