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https://github.com/c64scene-ar/llvm-6502.git
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7f15e90281
Patch implements %hi(sym1 - sym2) and %lo(sym1 - sym2) expressions for MIPS by creating target expression class MipsMCExpr. Patch by Sasa Stankovic. Differential Revision: http://llvm-reviews.chandlerc.com/D2592 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200783 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
1.3 KiB
ArmAsm
43 lines
1.3 KiB
ArmAsm
# RUN: llvm-mc -show-encoding -triple mips-unknown-unknown %s \
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# RUN: | FileCheck %s -check-prefix=CHECK-ENC
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# RUN: llvm-mc -filetype=obj -triple=mipsel-unknown-linux %s \
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# RUN: | llvm-objdump -disassemble - | FileCheck %s -check-prefix=CHECK-INSTR
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# RUN: llvm-mc -filetype=obj -triple=mipsel-unknown-linux %s \
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# RUN: | llvm-readobj -r | FileCheck %s -check-prefix=CHECK-REL
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# Check that 1 is added to the high 16 bits if bit 15 of the low part is 1.
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.equ addr, 0xdeadbeef
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lui $4, %hi(addr)
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lb $2, %lo(addr)($4)
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# CHECK-ENC: # encoding: [0x3c,0x04,0xde,0xae]
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# CHECK-ENC: # encoding: [0x80,0x82,0xbe,0xef]
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# Check that assembler can handle %hi(label1 - label2) and %lo(label1 - label2)
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# expressions.
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$L1:
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# Emit zeros so that difference between $L3 and $L1 is 0x30124 bytes.
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.fill 0x30124-8
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$L2:
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lui $4, %hi($L3-$L1)
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addiu $4, $4, %lo($L3-$L1)
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# CHECK-INSTR: lui $4, 3
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# CHECK-INSTR: addiu $4, $4, 292
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$L3:
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lui $5, %hi($L2-$L3)
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lw $5, %lo($L2-$L3)($5)
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# CHECK-INSTR: lui $5, 0
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# CHECK-INSTR: lw $5, -8($5)
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# Check that relocation is not emitted for %hi(label1 - label2) and
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# %lo(label1 - label2) expressions.
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# CHECK-REL-NOT: R_MIPS
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