From 28b2826538c03a393ad8dbe711dd60539178ca8e Mon Sep 17 00:00:00 2001 From: Zoran Jovanovic Date: Fri, 10 Oct 2014 13:31:18 +0000 Subject: [PATCH] ps][microMIPS] Implement JRC instruction Differential Revision: http://reviews.llvm.org/D5045 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219494 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/Mips/MicroMipsInstrInfo.td | 11 +++++++++++ test/MC/Mips/micromips-16-bit-instructions.s | 7 +++++-- 2 files changed, 16 insertions(+), 2 deletions(-) diff --git a/lib/Target/Mips/MicroMipsInstrInfo.td b/lib/Target/Mips/MicroMipsInstrInfo.td index 1ff67546be8..86b4b0f279e 100644 --- a/lib/Target/Mips/MicroMipsInstrInfo.td +++ b/lib/Target/Mips/MicroMipsInstrInfo.td @@ -128,6 +128,16 @@ class JumpLinkRegSMM16 : let Defs = [RA]; } +// 16-bit Jump Register Compact - No delay slot +class JumpRegCMM16 : + MicroMipsInst16<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), + [], IIBranch, FrmR> { + let isTerminator = 1; + let isBarrier = 1; + let isBranch = 1; + let isIndirectBranch = 1; +} + // MicroMIPS Jump and Link (Call) - Short Delay Slot let isCall = 1, hasDelaySlot = 1, Defs = [RA] in { class JumpLinkMM : @@ -151,6 +161,7 @@ def MFLO16_MM : MoveFromHILOMM<"mflo", GPR32Opnd, AC0>, MFHILO_FM_MM16<0x12>; def MOVE16_MM : MoveMM16<"move", GPR32Opnd>, MOVE_FM_MM16<0x03>; def JALR16_MM : JumpLinkRegMM16<"jalr", GPR32Opnd>, JALR_FM_MM16<0x0e>; def JALRS16_MM : JumpLinkRegSMM16<"jalrs16", GPR32Opnd>, JALR_FM_MM16<0x0f>; +def JRC16_MM : JumpRegCMM16<"jrc", GPR32Opnd>, JALR_FM_MM16<0x0d>; def JRADDIUSP : JumpRAddiuStackMM16, JRADDIUSP_FM_MM16<0x18>; class WaitMM : diff --git a/test/MC/Mips/micromips-16-bit-instructions.s b/test/MC/Mips/micromips-16-bit-instructions.s index 98ec6d6c68d..63ae5d0575c 100644 --- a/test/MC/Mips/micromips-16-bit-instructions.s +++ b/test/MC/Mips/micromips-16-bit-instructions.s @@ -12,7 +12,8 @@ # CHECK-EL: mfhi $9 # encoding: [0x09,0x46] # CHECK-EL: mflo $9 # encoding: [0x49,0x46] # CHECK-EL: move $25, $1 # encoding: [0x21,0x0f] -# CHECK-EL: jalr $9 # encoding: [0xc9,0x45] +# CHECK-EL: jrc $9 # encoding: [0xa9,0x45] +# CHECK-NEXT: jalr $9 # encoding: [0xc9,0x45] # CHECK-EL: jraddiusp 20 # encoding: [0x05,0x47] # CHECK-EL: nop # encoding: [0x00,0x00,0x00,0x00] # CHECK-EL: jalrs16 $9 # encoding: [0xe9,0x45] @@ -23,7 +24,8 @@ # CHECK-EB: mfhi $9 # encoding: [0x46,0x09] # CHECK-EB: mflo $9 # encoding: [0x46,0x49] # CHECK-EB: move $25, $1 # encoding: [0x0f,0x21] -# CHECK-EB: jalr $9 # encoding: [0x45,0xc9] +# CHECK-EB: jrc $9 # encoding: [0x45,0xa9] +# CHECK-NEXT: jalr $9 # encoding: [0x45,0xc9] # CHECK-EB: jraddiusp 20 # encoding: [0x47,0x05] # CHECK-EB: nop # encoding: [0x00,0x00,0x00,0x00] # CHECK-EB: jalrs16 $9 # encoding: [0x45,0xe9] @@ -32,6 +34,7 @@ mfhi $9 mflo $9 move $25, $1 + jrc $9 jalr $9 jraddiusp 20 jalrs16 $9 -- 2.11.0