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Set the isBranch and isTerminator flags on branch instructions correctly.

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Add a FIXME about the (currently unused) JMPL instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14210 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Brian Gaeke 2004-06-17 22:34:29 +00:00
parent 8308d04dbc
commit 070bb4a8da
2 changed files with 38 additions and 24 deletions
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31
lib/Target/Sparc/SparcInstrInfo.td
View File

@ -126,18 +126,24 @@ 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">;
def BG : F2_2<0b1010, 0b010, "bg">;
def BLE : F2_2<0b0010, 0b010, "ble">;
def BGE : F2_2<0b1011, 0b010, "bge">;
def BL : F2_2<0b0011, 0b010, "bl">;
def BGU : F2_2<0b1100, 0b010, "bgu">;
def BLEU : F2_2<0b0100, 0b010, "bleu">;
def BCC : F2_2<0b1101, 0b010, "bcc">;
def BCS : F2_2<0b0101, 0b010, "bcs">;
// conditional branch class:
class BranchV8<bits<4> cc, string nm> : F2_2<cc, 0b010, nm> {
let isBranch = 1;
let isTerminator = 1;
}
def BA : BranchV8<0b1000, "ba">;
def BN : BranchV8<0b0000, "bn">;
def BNE : BranchV8<0b1001, "bne">;
def BE : BranchV8<0b0001, "be">;
def BG : BranchV8<0b1010, "bg">;
def BLE : BranchV8<0b0010, "ble">;
def BGE : BranchV8<0b1011, "bge">;
def BL : BranchV8<0b0011, "bl">;
def BGU : BranchV8<0b1100, "bgu">;
def BLEU : BranchV8<0b0100, "bleu">;
def BCC : BranchV8<0b1101, "bcc">;
def BCS : BranchV8<0b0101, "bcs">;
// Section B.24 - Call and Link Instruction, p. 125
// This is the only Format 1 instruction
@ -150,6 +156,7 @@ def CALL : InstV8 {
}
// Section B.25 - Jump and Link, p. 126
// FIXME: are they to be used as branches, calls, or returns? (not used now)
def JMPLrr : F3_1<2, 0b111000, "jmpl">; // jmpl [rs1+rs2], rd
def JMPLri : F3_2<2, 0b111000, "jmpl">; // jmpl [rs1+imm], rd

31
lib/Target/SparcV8/SparcV8InstrInfo.td
View File

@ -126,18 +126,24 @@ 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">;
def BG : F2_2<0b1010, 0b010, "bg">;
def BLE : F2_2<0b0010, 0b010, "ble">;
def BGE : F2_2<0b1011, 0b010, "bge">;
def BL : F2_2<0b0011, 0b010, "bl">;
def BGU : F2_2<0b1100, 0b010, "bgu">;
def BLEU : F2_2<0b0100, 0b010, "bleu">;
def BCC : F2_2<0b1101, 0b010, "bcc">;
def BCS : F2_2<0b0101, 0b010, "bcs">;
// conditional branch class:
class BranchV8<bits<4> cc, string nm> : F2_2<cc, 0b010, nm> {
let isBranch = 1;
let isTerminator = 1;
}
def BA : BranchV8<0b1000, "ba">;
def BN : BranchV8<0b0000, "bn">;
def BNE : BranchV8<0b1001, "bne">;
def BE : BranchV8<0b0001, "be">;
def BG : BranchV8<0b1010, "bg">;
def BLE : BranchV8<0b0010, "ble">;
def BGE : BranchV8<0b1011, "bge">;
def BL : BranchV8<0b0011, "bl">;
def BGU : BranchV8<0b1100, "bgu">;
def BLEU : BranchV8<0b0100, "bleu">;
def BCC : BranchV8<0b1101, "bcc">;
def BCS : BranchV8<0b0101, "bcs">;
// Section B.24 - Call and Link Instruction, p. 125
// This is the only Format 1 instruction
@ -150,6 +156,7 @@ def CALL : InstV8 {
}
// Section B.25 - Jump and Link, p. 126
// FIXME: are they to be used as branches, calls, or returns? (not used now)
def JMPLrr : F3_1<2, 0b111000, "jmpl">; // jmpl [rs1+rs2], rd
def JMPLri : F3_2<2, 0b111000, "jmpl">; // jmpl [rs1+imm], rd