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Diffstat (limited to 'test/MC/Mips/higher-highest-addressing.s')
-rw-r--r-- | test/MC/Mips/higher-highest-addressing.s | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/test/MC/Mips/higher-highest-addressing.s b/test/MC/Mips/higher-highest-addressing.s new file mode 100644 index 0000000..2973a64 --- /dev/null +++ b/test/MC/Mips/higher-highest-addressing.s @@ -0,0 +1,54 @@ +# RUN: llvm-mc -filetype=obj -triple=mips64el-unknown-linux -mcpu=mips64r2 %s \ +# RUN: | llvm-objdump -disassemble -triple mips64el - | FileCheck %s + +# RUN: llvm-mc -filetype=obj -triple=mips64el-unknown-linux -mcpu=mips64r2 %s \ +# RUN: | llvm-readobj -r | FileCheck %s -check-prefix=CHECK-REL + + +# Test that R_MIPS_HIGHER and R_MIPS_HIGHEST relocations are created. By using +# NEXT we also test that none of the expressions from the test2 generates +# relocations. + +test1: +# CHECK-LABEL: test1: + + lui $5, %highest(func) + daddiu $5, $5, %higher(func) + +# CHECK-REL: Relocations [ +# CHECK-REL-NEXT: { +# CHECK-REL-NEXT: 0x{{[0-9,A-F]+}} R_MIPS_HIGHEST +# CHECK-REL-NEXT: 0x{{[0-9,A-F]+}} R_MIPS_HIGHER +# CHECK-REL-NEXT: } + + +# Test the calculation of %higher and %highest: +# ((x + 0x80008000) >> 32) & 0xffff (higher) +# ((x + 0x800080008000) >> 48) & 0xffff (highest). + +test2: +# CHECK-LABEL: test2: + +# Check the case where relocations are not modified by adding +1. The constant +# is chosen so that it is just below the value that triggers the addition of +1 +# to %higher. +$L1: + lui $6, %highest($L2-$L1+0x300047FFF7FF7) + daddiu $6, $6, %higher($L2-$L1+0x300047FFF7FF7) +$L2: +# CHECK: lui $6, 3 +# CHECK: daddiu $6, $6, 4 + + +# Check the case where %higher is modified by adding +1. + lui $7, %highest($L2-$L1+0x300047FFF7FF8) + ld $7, %higher ($L2-$L1+0x300047FFF7FF8)($7) +# CHECK: lui $7, 3 +# CHECK: ld $7, 5($7) + + +# Check the case where both %higher and %highest are modified by adding +1. + lui $8, %highest(0x37FFF7FFF8000) + ld $8, %higher (0x37FFF7FFF8000)($8) +# CHECK: lui $8, 4 +# CHECK: ld $8, -32768($8) |