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Hi list: I have been trying to get my feet wet with the ARM backend. As a warmup exercise I wanted to be able to move jumptables especially large ones out of the code section. Currently the idiom for jump tables loooks like this // .set PCRELV0, (.LJTI9_0_0-(.LPCRELL0+8)) // .LPCRELL0: // add r3, pc, #PCRELV0 // ldr pc, [r3, +r0, lsl #2] // .LJTI9_0_0: // .long .LBB9_2 // .long .LBB9_5 // .long .LBB9_7 // .long .LBB9_4 // .long .LBB9_8 I would like to be able to change this to somet...

...e LowerBR_JT_Inline(SDValue Op, + SelectionDAG &DAG, + bool isPIC, + MVT PTy) { + // The Jumptable idiom we are aiming for looks somthing like this: + // + // .set PCRELV0, (.LJTI9_0_0-(.LPCRELL0+8)) + // .LPCRELL0: + // add r3, pc, #PCRELV0 + // ldr pc, [r3, +r0, lsl #2] + // .LJTI9_0_0: + // .long .LBB9_2 + // .long .LBB9_5 + // .long .LBB9_7 + // .long .LBB9_4 + // .long .LBB9_8 + // + // In pic mo...

On Jun 8, 2009, at 2:42 PM, robert muth wrote: > On Sun, Jun 7, 2009 at 11:53 PM, Evan Cheng <evan.cheng at apple.com> > wrote: >> >> On Jun 7, 2009, at 6:59 AM, robert muth wrote: >> >>> On Sat, Jun 6, 2009 at 4:51 PM, Evan Cheng<evan.cheng at apple.com> >>> wrote: >>>> +cl::opt<std::string>

On Sun, Jun 7, 2009 at 11:53 PM, Evan Cheng <evan.cheng at apple.com> wrote: > > On Jun 7, 2009, at 6:59 AM, robert muth wrote: > >> On Sat, Jun 6, 2009 at 4:51 PM, Evan Cheng<evan.cheng at apple.com> >> wrote: >>> +cl::opt<std::string> FlagJumpTableSection("jumptable-section", >>> +                                          

...e LowerBR_JT_Inline(SDValue Op, + SelectionDAG &DAG, + bool isPIC, + MVT PTy) { + // The Jumptable idiom we are aiming for looks somthing like this: + // + // .set PCRELV0, (.LJTI9_0_0-(.LPCRELL0+8)) + // .LPCRELL0: + // add r3, pc, #PCRELV0 + // ldr pc, [r3, +r0, lsl #2] + // .LJTI9_0_0: + // .long .LBB9_2 + // .long .LBB9_5 + // .long .LBB9_7 + // .long .LBB9_4 + // .long .LBB9_8 + // + // In pic mo...