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| author | Richard Kenner <kenner@gcc.gnu.org> | 1992-04-13 15:15:23 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1992-04-13 15:15:23 -0400 |
| commit | cd0ec0d175eee798161ac17ad2bd8d9ca80bf03c (patch) | |
| tree | 134be20c1eee4094d6b3f79cc27d9b0484db71b4 /gcc | |
| parent | 3391e1bc78ab135f11a25cda9e8e6fc9ff521440 (diff) | |
| download | gcc-cd0ec0d175eee798161ac17ad2bd8d9ca80bf03c.zip gcc-cd0ec0d175eee798161ac17ad2bd8d9ca80bf03c.tar.gz gcc-cd0ec0d175eee798161ac17ad2bd8d9ca80bf03c.tar.bz2 | |
*** empty log message ***
From-SVN: r737
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/rs6000/rs6000.md | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index ee49f29..1af952f8 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -1061,6 +1061,17 @@ int start = INTVAL (operands[3]) & 31; int size = INTVAL (operands[2]) & 31; + if ((start < 16 && start + size <= 16) || start >= 16) + { + operands[3] = gen_rtx (CONST_INT, VOIDmode, + ((1 << (16 - (start & 15))) + - (1 << (16 - (start & 15) - size)))); + if (start < 16) + return \"andiu. %4,%1,%3\"; + else + return \"andil. %4,%1,%3\"; + } + if (start + size >= 32) operands[3] = const0_rtx; else |