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| author | Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk> | 2017-08-22 11:01:07 +0100 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2017-09-16 19:33:37 +0200 |
| commit | 3f4f580954fd90ce3ad6eb6ca6ab7b96eb66539c (patch) | |
| tree | 849a11e62055caa16a59688633684b6f861859b4 /toolchain/gcc/patches/7.2.0/001-revert_register_mode_search.patch | |
| parent | 820101873d6ac197cf5aff327f784ec3584fe1c7 (diff) | |
| download | upstream-3f4f580954fd90ce3ad6eb6ca6ab7b96eb66539c.tar.gz upstream-3f4f580954fd90ce3ad6eb6ca6ab7b96eb66539c.tar.bz2 upstream-3f4f580954fd90ce3ad6eb6ca6ab7b96eb66539c.zip | |
toolchain: gcc: update 7.x to 7.2.0
Bump gcc from 7.1 to 7.2
Compile & run tested: ar71xx
Trace history of current patches and update with commit ref & comment
to give more clue as to why they're still around/needed. Some have
changed form since the original commit but some clue is better than no
clue at all.
Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
Diffstat (limited to 'toolchain/gcc/patches/7.2.0/001-revert_register_mode_search.patch')
| -rw-r--r-- | toolchain/gcc/patches/7.2.0/001-revert_register_mode_search.patch | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/7.2.0/001-revert_register_mode_search.patch b/toolchain/gcc/patches/7.2.0/001-revert_register_mode_search.patch new file mode 100644 index 0000000000..63e3fee003 --- /dev/null +++ b/toolchain/gcc/patches/7.2.0/001-revert_register_mode_search.patch @@ -0,0 +1,77 @@ +commit 31285a20390a5e53a74a2a71d1b5c82f366ddd5a +Author: Felix Fietkau <nbd@openwrt.org> +Date: Tue May 6 11:49:05 2014 +0000 + + gcc: revert an upstream patch that is causing a regression on powerpc + + https://forum.openwrt.org/viewtopic.php?pid=232494#p232494 + + Signed-off-by: Felix Fietkau <nbd@openwrt.org> + + SVN-Revision: 40709 + +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) |