Changes in directory llvm/lib/Target:
README.txt updated: 1.10 -> 1.11 --- Log message: Add a note --- Diffs of the changes: (+17 -0) README.txt | 17 +++++++++++++++++ 1 files changed, 17 insertions(+) Index: llvm/lib/Target/README.txt diff -u llvm/lib/Target/README.txt:1.10 llvm/lib/Target/README.txt:1.11 --- llvm/lib/Target/README.txt:1.10 Fri Mar 3 19:19:34 2006 +++ llvm/lib/Target/README.txt Sat Mar 4 02:44:51 2006 @@ -101,3 +101,20 @@ This would be a win on ppc32, but not x86 or ppc64. +//===---------------------------------------------------------------------===// + +Pull add through mul/shift to handle this: + +int foo(int P[4][4], int i) { + return P[i+2][1]; +} + +better than this (no addi needed): + +_foo: + addi r2, r4, 2 + slwi r2, r2, 4 + add r2, r3, r2 + lwz r3, 4(r2) + blr + _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits