GNU Development Chain for 68HC11/68HC12 - Bugs: bug #12820, 3.0 lost unsigned-char optimization
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bug #12820: 3.0 lost unsigned-char optimization
Submitter: | Jefferson Smith <imajeff> | ||
Submitted: | Tue 26 Apr 2005 03:37:10 PM UTC | ||
Category: | gcc | Severity: | 3 - Normal |
Item Group: | sw-bug | Status: | Confirmed |
Privacy: | Public | Assigned to: | ciceron |
Open/Closed: | Open |
Sun 08 May 2005 10:26:08 AM UTC, comment #1: |
Stephane Carrez <ciceron> |
Tue 26 Apr 2005 03:37:10 PM UTC, original submission:
I don't know if you would call this broken optimization or other bug.
|
Jefferson Smith <imajeff> |
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Items that depend on this one: None found
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Follow 4 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2005-11-05 | ciceron | Status | None | Confirmed | |
2005-05-08 | ciceron | Assigned to | None | ciceron | |
2005-05-08 | ciceron | Item Group | None | sw-bug | |
2005-04-26 | imajeff | Carbon-Copy | - | Added imajeff |
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Corresponding source code
Thanks for the bug report.
It is interesting to note that with -m68hc11, we still
generate a better instruction set with bitb (8-bit test only).
I'll investigate as soon as I've some free time...