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authorJozef Kolek <jozef.kolek@imgtec.com>2015-02-18 17:15:48 +0000
committerJozef Kolek <jozef.kolek@imgtec.com>2015-02-18 17:15:48 +0000
commit1fd6548297791bf548d30518a707541f31c8376b (patch)
treed0e9f9f01080fa079319a2f1daa441d54b93c058
parent83709086674da9eda2b89534c2a292dc9cb82c61 (diff)
downloadbcm5719-llvm-1fd6548297791bf548d30518a707541f31c8376b.tar.gz
bcm5719-llvm-1fd6548297791bf548d30518a707541f31c8376b.zip
[mips][microMIPS] Implement JALX instruction
Differential Revision: http://reviews.llvm.org/D5047 llvm-svn: 229702
-rw-r--r--llvm/lib/Target/Mips/MicroMipsInstrInfo.td1
-rw-r--r--llvm/lib/Target/Mips/MipsInstrInfo.td4
-rw-r--r--llvm/test/MC/Mips/micromips-jump-instructions.s5
3 files changed, 8 insertions, 2 deletions
diff --git a/llvm/lib/Target/Mips/MicroMipsInstrInfo.td b/llvm/lib/Target/Mips/MicroMipsInstrInfo.td
index bf979a0c3a0..e20df2f4e62 100644
--- a/llvm/lib/Target/Mips/MicroMipsInstrInfo.td
+++ b/llvm/lib/Target/Mips/MicroMipsInstrInfo.td
@@ -788,6 +788,7 @@ let DecoderNamespace = "MicroMips", Predicates = [InMicroMips] in {
def J_MM : MMRel, JumpFJ<jmptarget_mm, "j", br, bb, "j">,
J_FM_MM<0x35>;
def JAL_MM : MMRel, JumpLink<"jal", calltarget_mm>, J_FM_MM<0x3d>;
+ def JALX_MM : MMRel, JumpLink<"jalx", calltarget>, J_FM_MM<0x3c>;
}
def JR_MM : MMRel, IndirectBranch<"jr", GPR32Opnd>, JR_FM_MM<0x3c>;
def JALR_MM : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM_MM<0x03c>;
diff --git a/llvm/lib/Target/Mips/MipsInstrInfo.td b/llvm/lib/Target/Mips/MipsInstrInfo.td
index 38a1d03eb02..9a35a2dfb50 100644
--- a/llvm/lib/Target/Mips/MipsInstrInfo.td
+++ b/llvm/lib/Target/Mips/MipsInstrInfo.td
@@ -1314,8 +1314,8 @@ let AdditionalPredicates = [NotInMicroMips] in {
def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
}
-// FIXME: JALX really requires either MIPS16 or microMIPS in addition to MIPS32.
-def JALX : JumpLink<"jalx", calltarget>, FJ<0x1D>, ISA_MIPS32_NOT_32R6_64R6;
+def JALX : MMRel, JumpLink<"jalx", calltarget>, FJ<0x1D>,
+ ISA_MIPS32_NOT_32R6_64R6;
def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>,
ISA_MIPS1_NOT_32R6_64R6;
def BGEZALL : MMRel, BGEZAL_FT<"bgezall", brtarget, GPR32Opnd, 0>,
diff --git a/llvm/test/MC/Mips/micromips-jump-instructions.s b/llvm/test/MC/Mips/micromips-jump-instructions.s
index 945d87d2934..3147a3f256d 100644
--- a/llvm/test/MC/Mips/micromips-jump-instructions.s
+++ b/llvm/test/MC/Mips/micromips-jump-instructions.s
@@ -19,6 +19,8 @@
# CHECK-EL: nop # encoding: [0x00,0x00,0x00,0x00]
# CHECK-EL: jr $7 # encoding: [0x07,0x00,0x3c,0x0f]
# CHECK-EL: nop # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-EL: jalx 1328 # encoding: [0x00,0xf0,0x4c,0x01]
+# CHECK-EL: nop # encoding: [0x00,0x00,0x00,0x00]
# CHECK-EL: jals 1328 # encoding: [0x00,0x74,0x98,0x02]
# CHECK-EL: nop # encoding: [0x00,0x0c]
# CHECK-EL: jalrs $ra, $6 # encoding: [0xe6,0x03,0x3c,0x4f]
@@ -40,6 +42,8 @@
# CHECK-EB: nop # encoding: [0x00,0x00,0x00,0x00]
# CHECK-EB: jr $7 # encoding: [0x00,0x07,0x0f,0x3c]
# CHECK-EB: nop # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-EB: jalx 1328 # encoding: [0xf0,0x00,0x01,0x4c]
+# CHECK-EB: nop # encoding: [0x00,0x00,0x00,0x00]
# CHECK-EB: jals 1328 # encoding: [0x74,0x00,0x02,0x98]
# CHECK-EB: nop # encoding: [0x0c,0x00]
# CHECK-EB: jalrs $ra, $6 # encoding: [0x03,0xe6,0x4f,0x3c]
@@ -54,6 +58,7 @@
jalr $ra, $6
jr $7
j $7
+ jalx 1328
jals 1328
jalrs $ra, $6
jal $25
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