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[ARM] Add diag string for movw/movt immediates in assembly 

This adds diagnostics for invalid immediate operands to the MOVW and MOVT
instructions (ARM and Thumb).

Differential revision: https://reviews.llvm.org/D31879

llvm-svn: 314888
This commit is contained in:
Oliver Stannard 2017-10-04 09:24:54 +00:00
parent 5a7aae3a80
commit 878216dd05
3 changed files with 7 additions and 2 deletions
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1
llvm/lib/Target/ARM/ARMInstrInfo.td
View File

@ -822,6 +822,7 @@ def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
def Imm0_65535ExprAsmOperand: AsmOperandClass {
let Name = "Imm0_65535Expr";
let RenderMethod = "addImmOperands";
let DiagnosticString = "operand must be an immediate in the range [0,0xffff] or a relocatable expression";
}
def imm0_65535_expr : Operand<i32> {

4
llvm/test/MC/ARM/diagnostics.s
View File

@ -175,7 +175,7 @@
@ Out of range immediate for MOV
movw r9, 0x10000
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: operand must be an immediate in the range [0,0xffff] or a relocatable expression
@ CHECK-ERRORS: movw r9, 0x10000
@ CHECK-ERRORS: ^
@ -187,7 +187,7 @@
@ Out of range immediate for MOVT
movt r9, 0x10000
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: operand must be an immediate in the range [0,0xffff] or a relocatable expression
@ CHECK-ERRORS: movt r9, 0x10000
@ CHECK-ERRORS: ^

4
llvm/test/MC/ARM/thumb2-diagnostics.s
View File

@ -80,10 +80,14 @@
foo2:
movw r0, foo2
movt r0, foo2
movt r0, #0x10000
movt r0, #0x10000
@ CHECK-ERRORS: error: immediate expression for mov requires :lower16: or :upper16
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: immediate expression for mov requires :lower16: or :upper16
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: operand must be an immediate in the range [0,0xffff] or a relocatable expression
@ CHECK-ERRORS: error: operand must be an immediate in the range [0,0xffff] or a relocatable expression
and sp, r1, #80008000
and pc, r1, #80008000