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| author | Brian Gaeke <gaeke@uiuc.edu> | 2004-05-08 04:21:32 +0000 |
|---|---|---|
| committer | Brian Gaeke <gaeke@uiuc.edu> | 2004-05-08 04:21:32 +0000 |
| commit | c3e970122a942dc46b0be1fb1d0ca757a711911d (patch) | |
| tree | 2169e0d4520dad1b4358f8333100a5341f4e487e /lib/Target | |
| parent | 532e60c403a15b174c8aab874b198d21514ac408 (diff) | |
| download | external_llvm-c3e970122a942dc46b0be1fb1d0ca757a711911d.zip external_llvm-c3e970122a942dc46b0be1fb1d0ca757a711911d.tar.gz external_llvm-c3e970122a942dc46b0be1fb1d0ca757a711911d.tar.bz2 | |
Add forms of CMP, SUBCC, and a few branches, and some comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13419 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/Sparc/SparcInstrInfo.td | 13 | ||||
| -rw-r--r-- | lib/Target/SparcV8/SparcV8InstrInfo.td | 13 |
2 files changed, 26 insertions, 0 deletions
diff --git a/lib/Target/Sparc/SparcInstrInfo.td b/lib/Target/Sparc/SparcInstrInfo.td index ee397c8..995d7c7 100644 --- a/lib/Target/Sparc/SparcInstrInfo.td +++ b/lib/Target/Sparc/SparcInstrInfo.td @@ -47,10 +47,16 @@ def ADJCALLSTACKUP : InstV8 { } // Section A.3 - Synthetic Instructions, p. 85 +// special cases of JMPL: let isReturn = 1, isTerminator = 1, simm13 = 8 in def RET : F3_2<2, 0b111000, "ret">; let isReturn = 1, isTerminator = 1, simm13 = 8 in def RETL: F3_2<2, 0b111000, "retl">; +// CMP is a special case of SUBCC where destination is ignored, by setting it to +// %g0 (hardwired zero). +// FIXME: should keep track of the fact that it defs the integer condition codes +let rd = 0 in + def CMPri: F3_2<2, 0b010100, "cmp">; // Section B.1 - Load Integer Instructions, p. 90 def LDSBmr: F3_2<3, 0b001001, "ldsb">; @@ -96,6 +102,7 @@ def ADDrr : F3_1<2, 0b000000, "add">; // Section B.15 - Subtract Instructions, p. 110 def SUBrr : F3_1<2, 0b000100, "sub">; def SUBCCrr : F3_1<2, 0b010100, "subcc">; +def SUBCCri : F3_2<2, 0b010100, "subcc">; // Section B.18 - Multiply Instructions, p. 113 def UMULrr : F3_1<2, 0b001010, "umul">; @@ -117,6 +124,12 @@ def SAVEri : F3_2<2, 0b111100, "save">; // save r, i, r def RESTORErr : F3_1<2, 0b111101, "restore">; // restore r, r, r def RESTOREri : F3_2<2, 0b111101, "restore">; // restore r, i, r +// Section B.21 - Branch on Integer Condition Codes Instructions, p. 119 +def BA : F2_2<0b1000, 0b010, "ba">; +def BN : F2_2<0b0000, 0b010, "bn">; +def BNE : F2_2<0b1001, 0b010, "bne">; +def BE : F2_2<0b0001, 0b010, "be">; + // Section B.24 - Call and Link Instruction, p. 125 // This is the only Format 1 instruction def CALL : InstV8 { diff --git a/lib/Target/SparcV8/SparcV8InstrInfo.td b/lib/Target/SparcV8/SparcV8InstrInfo.td index ee397c8..995d7c7 100644 --- a/lib/Target/SparcV8/SparcV8InstrInfo.td +++ b/lib/Target/SparcV8/SparcV8InstrInfo.td @@ -47,10 +47,16 @@ def ADJCALLSTACKUP : InstV8 { } // Section A.3 - Synthetic Instructions, p. 85 +// special cases of JMPL: let isReturn = 1, isTerminator = 1, simm13 = 8 in def RET : F3_2<2, 0b111000, "ret">; let isReturn = 1, isTerminator = 1, simm13 = 8 in def RETL: F3_2<2, 0b111000, "retl">; +// CMP is a special case of SUBCC where destination is ignored, by setting it to +// %g0 (hardwired zero). +// FIXME: should keep track of the fact that it defs the integer condition codes +let rd = 0 in + def CMPri: F3_2<2, 0b010100, "cmp">; // Section B.1 - Load Integer Instructions, p. 90 def LDSBmr: F3_2<3, 0b001001, "ldsb">; @@ -96,6 +102,7 @@ def ADDrr : F3_1<2, 0b000000, "add">; // Section B.15 - Subtract Instructions, p. 110 def SUBrr : F3_1<2, 0b000100, "sub">; def SUBCCrr : F3_1<2, 0b010100, "subcc">; +def SUBCCri : F3_2<2, 0b010100, "subcc">; // Section B.18 - Multiply Instructions, p. 113 def UMULrr : F3_1<2, 0b001010, "umul">; @@ -117,6 +124,12 @@ def SAVEri : F3_2<2, 0b111100, "save">; // save r, i, r def RESTORErr : F3_1<2, 0b111101, "restore">; // restore r, r, r def RESTOREri : F3_2<2, 0b111101, "restore">; // restore r, i, r +// Section B.21 - Branch on Integer Condition Codes Instructions, p. 119 +def BA : F2_2<0b1000, 0b010, "ba">; +def BN : F2_2<0b0000, 0b010, "bn">; +def BNE : F2_2<0b1001, 0b010, "bne">; +def BE : F2_2<0b0001, 0b010, "be">; + // Section B.24 - Call and Link Instruction, p. 125 // This is the only Format 1 instruction def CALL : InstV8 { |