aboutsummaryrefslogtreecommitdiffstats
path: root/test/MC/Mips/higher-highest-addressing.s
diff options
context:
space:
mode:
Diffstat (limited to 'test/MC/Mips/higher-highest-addressing.s')
-rw-r--r--test/MC/Mips/higher-highest-addressing.s54
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)