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78 lines
2.7 KiB
Diff
78 lines
2.7 KiB
Diff
commit 31285a20390a5e53a74a2a71d1b5c82f366ddd5a
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Author: Felix Fietkau <nbd@openwrt.org>
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Date: Tue May 6 11:49:05 2014 +0000
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gcc: revert an upstream patch that is causing a regression on powerpc
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https://forum.openwrt.org/viewtopic.php?pid=232494#p232494
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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SVN-Revision: 40709
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Revert of:
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commit 275035b56823b26d5fb7e90fad945b998648edf2
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Author: bergner <bergner@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Thu Sep 5 14:09:07 2013 +0000
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PR target/58139
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* reginfo.c (choose_hard_reg_mode): Scan through all mode classes
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looking for widest mode.
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202286 138bc75d-0d04-0410-961f-82ee72b054a4
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--- a/gcc/reginfo.c
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+++ b/gcc/reginfo.c
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@@ -637,35 +637,40 @@ choose_hard_reg_mode (unsigned int regno
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mode = GET_MODE_WIDER_MODE (mode))
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if ((unsigned) hard_regno_nregs[regno][mode] == nregs
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&& HARD_REGNO_MODE_OK (regno, mode)
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- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
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- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
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+ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
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found_mode = mode;
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+ if (found_mode != VOIDmode)
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+ return found_mode;
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+
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for (mode = GET_CLASS_NARROWEST_MODE (MODE_FLOAT);
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mode != VOIDmode;
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mode = GET_MODE_WIDER_MODE (mode))
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if ((unsigned) hard_regno_nregs[regno][mode] == nregs
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&& HARD_REGNO_MODE_OK (regno, mode)
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- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
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- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
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+ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
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found_mode = mode;
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+ if (found_mode != VOIDmode)
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+ return found_mode;
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+
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for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_FLOAT);
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mode != VOIDmode;
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mode = GET_MODE_WIDER_MODE (mode))
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if ((unsigned) hard_regno_nregs[regno][mode] == nregs
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&& HARD_REGNO_MODE_OK (regno, mode)
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- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
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- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
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+ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
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found_mode = mode;
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+ if (found_mode != VOIDmode)
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+ return found_mode;
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+
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for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_INT);
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mode != VOIDmode;
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mode = GET_MODE_WIDER_MODE (mode))
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if ((unsigned) hard_regno_nregs[regno][mode] == nregs
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&& HARD_REGNO_MODE_OK (regno, mode)
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- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
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- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
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+ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
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found_mode = mode;
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if (found_mode != VOIDmode)
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