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3c304a3ba1
depending on the command line option. Now the command line option just sets the subtarget as appropriate. G5 opts will now default to on on G5-enabled nightly testers among other machines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22688 91177308-0d34-0410-b5e6-96231b3b80d8
TODO: * gpr0 allocation * implement do-loop -> bdnz transform * implement powerpc-64 for darwin * use stfiwx in float->int * 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 * Support 'update' load/store instructions. These are cracked on the G5, but are still a codesize win. * 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 b .LBBl42__2E_expand_function_8_42 ; NewDefault b .LBBl42__2E_expand_function_8_42 ; NewDefault