diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2009-07-20 02:12:31 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-07-20 02:12:31 +0000 |
| commit | 91449a883d4266730261710dfc15b5ec69c1a8f8 (patch) | |
| tree | 71a0181f3124c768bcdcfad54b39131da13a05ff /lib | |
| parent | 3d10a5a75794356a0a568ce283713adc3a963200 (diff) | |
Model fpscr to prevent fcmped / fcmpezs etc from being deleted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76390 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/ARMInstrVFP.td | 6 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMRegisterInfo.td | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMInstrVFP.td b/lib/Target/ARM/ARMInstrVFP.td index a4deaca491..a9b4a32f17 100644 --- a/lib/Target/ARM/ARMInstrVFP.td +++ b/lib/Target/ARM/ARMInstrVFP.td @@ -103,6 +103,7 @@ def FADDS : ASbI<0b11100011, (outs SPR:$dst), (ins SPR:$a, SPR:$b), [(set SPR:$dst, (fadd SPR:$a, SPR:$b))]>; // These are encoded as unary instructions. +let Defs = [FPSCR] in { def FCMPED : ADuI<0b11101011, 0b0100, 0b1100, (outs), (ins DPR:$a, DPR:$b), "fcmped", " $a, $b", [(arm_cmpfp DPR:$a, DPR:$b)]>; @@ -110,6 +111,7 @@ def FCMPED : ADuI<0b11101011, 0b0100, 0b1100, (outs), (ins DPR:$a, DPR:$b), def FCMPES : ASuI<0b11101011, 0b0100, 0b1100, (outs), (ins SPR:$a, SPR:$b), "fcmpes", " $a, $b", [(arm_cmpfp SPR:$a, SPR:$b)]>; +} def FDIVD : ADbI<0b11101000, (outs DPR:$dst), (ins DPR:$a, DPR:$b), "fdivd", " $dst, $a, $b", @@ -170,6 +172,7 @@ def FABSS : ASuI<0b11101011, 0b0000, 0b1100, (outs SPR:$dst), (ins SPR:$a), "fabss", " $dst, $a", [(set SPR:$dst, (fabs SPR:$a))]>; +let Defs = [FPSCR] in { def FCMPEZD : ADuI<0b11101011, 0b0101, 0b1100, (outs), (ins DPR:$a), "fcmpezd", " $a", [(arm_cmpfp0 DPR:$a)]>; @@ -177,6 +180,7 @@ def FCMPEZD : ADuI<0b11101011, 0b0101, 0b1100, (outs), (ins DPR:$a), def FCMPEZS : ASuI<0b11101011, 0b0101, 0b1100, (outs), (ins SPR:$a), "fcmpezs", " $a", [(arm_cmpfp0 SPR:$a)]>; +} def FCVTDS : ASuI<0b11101011, 0b0111, 0b1100, (outs DPR:$dst), (ins SPR:$a), "fcvtds", " $dst, $a", @@ -389,7 +393,7 @@ def FNEGScc : ASuI<0b11101011, 0b0001, 0b0100, // Misc. // -let Defs = [CPSR] in +let Defs = [CPSR], Uses = [FPSCR] in def FMSTAT : VFPAI<(outs), (ins), VFPMiscFrm, "fmstat", "", [(arm_fmstat)]> { let Inst{27-20} = 0b11101111; let Inst{19-16} = 0b0001; diff --git a/lib/Target/ARM/ARMRegisterInfo.td b/lib/Target/ARM/ARMRegisterInfo.td index 8827340c84..ea2d6dd05e 100644 --- a/lib/Target/ARM/ARMRegisterInfo.td +++ b/lib/Target/ARM/ARMRegisterInfo.td @@ -106,7 +106,9 @@ def Q14 : ARMReg<14, "q14", [D28, D29]>; def Q15 : ARMReg<15, "q15", [D30, D31]>; // Current Program Status Register. -def CPSR : ARMReg<0, "cpsr">; +def CPSR : ARMReg<0, "cpsr">; + +def FPSCR : ARMReg<1, "fpscr">; // Register classes. // |