[PATCH] D63669: [RISCV] Allow parsing dot '.' in assembly

[John LLVM via Phabricator via llvm-commits]

JohnLLVM created this revision.
JohnLLVM added reviewers: asb, jrtc27.
Herald added subscribers: llvm-commits, Jim, benna, psnobl, jocewei, PkmX, rkruppe, the_o, brucehoult, MartinMosbeck, rogfer01, edward-jones, zzheng, shiva0217, kito-cheng, niosHD, sabuasal, apazos, simoncook, johnrusso, rbar, hiraditya.
Herald added a project: LLVM.

Useful for jumps, such as `j .`.

I am not sure who should review this. Do not hesitate to change the reviewers if needed.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D63669

Files:
  llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
  llvm/test/MC/RISCV/rv32i-valid.s


Index: llvm/test/MC/RISCV/rv32i-valid.s
===================================================================
--- llvm/test/MC/RISCV/rv32i-valid.s
+++ llvm/test/MC/RISCV/rv32i-valid.s
@@ -65,6 +65,14 @@
 # CHECK-ASM: encoding: [0x17,0xe5,0x01,0x00]
 auipc a0, CONST
 
+# CHECK-ASM: encoding: [0x6f,0bAAAA0000,A,A]
+# CHECK-OBJ: jal zero, 0
+dummy_jump_label:
+j dummy_jump_label
+# CHECK-ASM: encoding: [0x6f,0bAAAA0000,A,A]
+# CHECK-OBJ: jal zero, 0
+j .
+
 # CHECK-ASM-AND-OBJ: jal a2, 1048574
 # CHECK-ASM: encoding: [0x6f,0xf6,0xff,0x7f]
 jal a2, 1048574
Index: llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
===================================================================
--- llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
+++ llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
@@ -1119,6 +1119,7 @@
   default:
     return MatchOperand_NoMatch;
   case AsmToken::LParen:
+  case AsmToken::Dot:
   case AsmToken::Minus:
   case AsmToken::Plus:
   case AsmToken::Exclaim:


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D63669.206064.patch
Type: text/x-patch
Size: 986 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20190621/ad070240/attachment.bin>