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| author | Bob Wilson <bob.wilson@apple.com> | 2010-04-09 20:41:18 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2010-04-09 20:41:18 +0000 |
| commit | 01060635560c398c1ca3f70c7769548ba4488300 (patch) | |
| tree | 2d0fcb265f19b89bd347eb9ad2eb551e08bea1b0 /llvm/lib/Target | |
| parent | 26984fb4ebf20d74d32435517db882e8bfb2cca3 (diff) | |
| download | bcm5719-llvm-01060635560c398c1ca3f70c7769548ba4488300.tar.gz bcm5719-llvm-01060635560c398c1ca3f70c7769548ba4488300.zip | |
Provide versions of the ARM eh_sjlj_setjmp instructions for non-VFP subtargets
such that the non-VFP versions have no implicit defs of VFP registers.
If any callee-saved VFP registers are marked as having been defined, the
prologue/epilogue code will try to save and restore them.
Radar 7770432.
llvm-svn: 100892
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrInfo.td | 19 | ||||
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb2.td | 18 |
2 files changed, 35 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td index f2ab06f328f..4c03af8bf0a 100644 --- a/llvm/lib/Target/ARM/ARMInstrInfo.td +++ b/llvm/lib/Target/ARM/ARMInstrInfo.td @@ -124,6 +124,7 @@ def HasV6 : Predicate<"Subtarget->hasV6Ops()">; def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">; def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">; def HasV7 : Predicate<"Subtarget->hasV7Ops()">; +def NoVFP : Predicate<"!Subtarget->hasVFP2()">; def HasVFP2 : Predicate<"Subtarget->hasVFP2()">; def HasVFP3 : Predicate<"Subtarget->hasVFP3()">; def HasNEON : Predicate<"Subtarget->hasNEON()">; @@ -2533,7 +2534,23 @@ let Defs = "mov\tr0, #0\n\t" "add\tpc, pc, #0\n\t" "mov\tr0, #1 @ eh_setjmp end", "", - [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>; + [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>, + Requires<[IsARM, HasVFP2]>; +} + +let Defs = + [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ] in { + def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val), + AddrModeNone, SizeSpecial, IndexModeNone, + Pseudo, NoItinerary, + "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t" + "add\t$val, pc, #8\n\t" + "str\t$val, [$src, #+4]\n\t" + "mov\tr0, #0\n\t" + "add\tpc, pc, #0\n\t" + "mov\tr0, #1 @ eh_setjmp end", "", + [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>, + Requires<[IsARM, NoVFP]>; } //===----------------------------------------------------------------------===// diff --git a/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td index 262aae48913..742bd403cdd 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb2.td +++ b/llvm/lib/Target/ARM/ARMInstrThumb2.td @@ -2386,9 +2386,25 @@ let Defs = "\tb\t1f\n" "\tmovs\tr0, #1\t@ end eh.setjmp\n" "1:", "", - [(set R0, (ARMeh_sjlj_setjmp GPR:$src, tGPR:$val))]>; + [(set R0, (ARMeh_sjlj_setjmp GPR:$src, tGPR:$val))]>, + Requires<[IsThumb2, HasVFP2]>; } +let Defs = + [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ] in { + def t2Int_eh_sjlj_setjmp_nofp : Thumb2XI<(outs), (ins GPR:$src, tGPR:$val), + AddrModeNone, SizeSpecial, NoItinerary, + "str\t$val, [$src, #8]\t@ begin eh.setjmp\n" + "\tmov\t$val, pc\n" + "\tadds\t$val, #9\n" + "\tstr\t$val, [$src, #4]\n" + "\tmovs\tr0, #0\n" + "\tb\t1f\n" + "\tmovs\tr0, #1\t@ end eh.setjmp\n" + "1:", "", + [(set R0, (ARMeh_sjlj_setjmp GPR:$src, tGPR:$val))]>, + Requires<[IsThumb2, NoVFP]>; +} //===----------------------------------------------------------------------===// |
