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| author | Chris Lattner <sabre@nondot.org> | 2005-07-26 19:07:51 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-07-26 19:07:51 +0000 |
| commit | 1defb7fe8064e5d8c6b24ab6c1ee267e0e926ffa (patch) | |
| tree | fa5609d71795c6eeae02ccd3bf428054c6ff4691 /llvm | |
| parent | 06721f50b0430b9166efde14cf609a72677e717a (diff) | |
| download | bcm5719-llvm-1defb7fe8064e5d8c6b24ab6c1ee267e0e926ffa.tar.gz bcm5719-llvm-1defb7fe8064e5d8c6b24ab6c1ee267e0e926ffa.zip | |
add a note about the red zone
llvm-svn: 22518
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/PowerPC/README.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/README.txt b/llvm/lib/Target/PowerPC/README.txt index 386d21f3f96..b1d3028572b 100644 --- a/llvm/lib/Target/PowerPC/README.txt +++ b/llvm/lib/Target/PowerPC/README.txt @@ -3,10 +3,12 @@ TODO: * implement do-loop -> bdnz transform * implement powerpc-64 for darwin * use stfiwx in float->int +* take advantage of the darwin red zone in PPC32RegisterInfo.cpp * be able to combine sequences like the following into 2 instructions: lis r2, ha16(l2__ZTV4Cell) la r2, lo16(l2__ZTV4Cell)(r2) addi r2, r2, 8 + * should hint to the branch select pass that it doesn't need to print the second unconditional branch, so we don't end up with things like: b .LBBl42__2E_expand_function_8_674 ; loopentry.24 |
