mirror of
https://github.com/c64scene-ar/llvm-6502.git
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d30a98e43a
(RISCDisassemblerEmitter) which emits the decoder functions for ARM and Thumb, and the disassembler core which invokes the decoder function and builds up the MCInst based on the decoded Opcode. Added sub-formats to the NeonI/NeonXI instructions to further refine the NEONFrm instructions to help disassembly. We also changed the output of the addressing modes to omit the '+' from the assembler syntax #+/-<imm> or +/-<Rm>. See, for example, A8.6.57/58/60. And modified test cases to not expect '+' in +reg or #+num. For example, ; CHECK: ldr.w r9, [r7, #28] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98637 91177308-0d34-0410-b5e6-96231b3b80d8
77 lines
1.7 KiB
LLVM
77 lines
1.7 KiB
LLVM
; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
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define i8 @f1(i8 %a, i8* %v) {
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; CHECK: f1:
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; CHECK: strb r0, [r1]
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store i8 %a, i8* %v
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ret i8 %a
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}
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define i8 @f2(i8 %a, i8* %v) {
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; CHECK: f2:
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; CHECK: strb.w r0, [r1, #4092]
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%tmp2 = getelementptr i8* %v, i32 4092
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store i8 %a, i8* %tmp2
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ret i8 %a
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}
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define i8 @f2a(i8 %a, i8* %v) {
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; CHECK: f2a:
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; CHECK: strb r0, [r1, #-128]
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%tmp2 = getelementptr i8* %v, i32 -128
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store i8 %a, i8* %tmp2
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ret i8 %a
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}
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define i8 @f3(i8 %a, i8* %v) {
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; CHECK: f3:
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; CHECK: mov.w r2, #4096
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; CHECK: strb r0, [r1, r2]
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%tmp2 = getelementptr i8* %v, i32 4096
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store i8 %a, i8* %tmp2
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ret i8 %a
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}
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define i8 @f4(i8 %a, i32 %base) {
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entry:
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; CHECK: f4:
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; CHECK: strb r0, [r1, #-128]
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%tmp1 = sub i32 %base, 128
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%tmp2 = inttoptr i32 %tmp1 to i8*
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store i8 %a, i8* %tmp2
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ret i8 %a
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}
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define i8 @f5(i8 %a, i32 %base, i32 %offset) {
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entry:
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; CHECK: f5:
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; CHECK: strb r0, [r1, r2]
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%tmp1 = add i32 %base, %offset
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%tmp2 = inttoptr i32 %tmp1 to i8*
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store i8 %a, i8* %tmp2
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ret i8 %a
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}
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define i8 @f6(i8 %a, i32 %base, i32 %offset) {
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entry:
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; CHECK: f6:
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; CHECK: strb.w r0, [r1, r2, lsl #2]
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%tmp1 = shl i32 %offset, 2
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%tmp2 = add i32 %base, %tmp1
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%tmp3 = inttoptr i32 %tmp2 to i8*
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store i8 %a, i8* %tmp3
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ret i8 %a
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}
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define i8 @f7(i8 %a, i32 %base, i32 %offset) {
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entry:
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; CHECK: f7:
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; CHECK: lsrs r2, r2, #2
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; CHECK: strb r0, [r1, r2]
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%tmp1 = lshr i32 %offset, 2
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%tmp2 = add i32 %base, %tmp1
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%tmp3 = inttoptr i32 %tmp2 to i8*
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store i8 %a, i8* %tmp3
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ret i8 %a
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}
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