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author | Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> | 2014-04-22 10:05:48 +0000 |
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committer | Marcus Shawcroft <mshawcroft@gcc.gnu.org> | 2014-04-22 10:05:48 +0000 |
commit | 9d8b4d1ce91511ae92cd746c10a05e16215f1940 (patch) | |
tree | 922c651f349f67863242079c3a242cc17fd315a4 /gcc/tree-dfa.c | |
parent | a01be1aeb2df00d1af7dfca6f3355db1a12a25c8 (diff) | |
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[ARM] Allow any register for DImode values in Thumb2
Ramana commented in the submission email:
I noticed that for T32 we don't allow any old register for DImode
values. The restriction of an even register is true only for ARM state
because the ISA doesn't allow any old register in this place. In a few
large .i files that I had knocking about, noticed a nice drop in stack
usage and a generally improved register allocation strategy.
From-SVN: r209615
Diffstat (limited to 'gcc/tree-dfa.c')
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