OpenWrt – Blame information for rev 1
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1 | office | 1 | commit 31285a20390a5e53a74a2a71d1b5c82f366ddd5a |
2 | Author: Felix Fietkau <nbd@openwrt.org> |
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3 | Date: Tue May 6 11:49:05 2014 +0000 |
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4 | |||
5 | gcc: revert an upstream patch that is causing a regression on powerpc |
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6 | |||
7 | https://forum.openwrt.org/viewtopic.php?pid=232494#p232494 |
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8 | |||
9 | Signed-off-by: Felix Fietkau <nbd@openwrt.org> |
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10 | |||
11 | SVN-Revision: 40709 |
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12 | |||
13 | Revert of: |
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14 | |||
15 | commit 275035b56823b26d5fb7e90fad945b998648edf2 |
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16 | Author: bergner <bergner@138bc75d-0d04-0410-961f-82ee72b054a4> |
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17 | Date: Thu Sep 5 14:09:07 2013 +0000 |
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18 | |||
19 | PR target/58139 |
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20 | * reginfo.c (choose_hard_reg_mode): Scan through all mode classes |
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21 | looking for widest mode. |
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22 | |||
23 | |||
24 | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202286 138bc75d-0d04-0410-961f-82ee72b054a4 |
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25 | |||
26 | |||
27 | --- a/gcc/reginfo.c |
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28 | +++ b/gcc/reginfo.c |
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29 | @@ -637,35 +637,40 @@ choose_hard_reg_mode (unsigned int regno |
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30 | mode = GET_MODE_WIDER_MODE (mode)) |
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31 | if ((unsigned) hard_regno_nregs[regno][mode] == nregs |
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32 | && HARD_REGNO_MODE_OK (regno, mode) |
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33 | - && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) |
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34 | - && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) |
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35 | + && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) |
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36 | found_mode = mode; |
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37 | |||
38 | + if (found_mode != VOIDmode) |
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39 | + return found_mode; |
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40 | + |
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41 | for (mode = GET_CLASS_NARROWEST_MODE (MODE_FLOAT); |
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42 | mode != VOIDmode; |
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43 | mode = GET_MODE_WIDER_MODE (mode)) |
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44 | if ((unsigned) hard_regno_nregs[regno][mode] == nregs |
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45 | && HARD_REGNO_MODE_OK (regno, mode) |
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46 | - && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) |
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47 | - && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) |
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48 | + && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) |
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49 | found_mode = mode; |
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50 | |||
51 | + if (found_mode != VOIDmode) |
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52 | + return found_mode; |
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53 | + |
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54 | for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_FLOAT); |
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55 | mode != VOIDmode; |
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56 | mode = GET_MODE_WIDER_MODE (mode)) |
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57 | if ((unsigned) hard_regno_nregs[regno][mode] == nregs |
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58 | && HARD_REGNO_MODE_OK (regno, mode) |
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59 | - && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) |
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60 | - && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) |
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61 | + && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) |
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62 | found_mode = mode; |
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63 | |||
64 | + if (found_mode != VOIDmode) |
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65 | + return found_mode; |
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66 | + |
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67 | for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_INT); |
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68 | mode != VOIDmode; |
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69 | mode = GET_MODE_WIDER_MODE (mode)) |
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70 | if ((unsigned) hard_regno_nregs[regno][mode] == nregs |
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71 | && HARD_REGNO_MODE_OK (regno, mode) |
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72 | - && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) |
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73 | - && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) |
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74 | + && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) |
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75 | found_mode = mode; |
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76 | |||
77 | if (found_mode != VOIDmode) |