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authorPetar Jovanovic <petar.jovanovic@imgtec.com>2014-02-04 18:41:57 +0000
committerPetar Jovanovic <petar.jovanovic@imgtec.com>2014-02-04 18:41:57 +0000
commit7f15e90281c9862e9084ff2197f8fe8f06823fb2 (patch)
treed7419c11a323f6bcc04357bf53762527f43315cc /test
parent5e47632b8fa1a98283c09ca88cf09600862e4849 (diff)
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[mips] Implement %hi(sym1 - sym2) and %lo(sym1 - sym2) expressions
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
Diffstat (limited to 'test')
-rw-r--r--test/MC/Mips/hilo-addressing.s53
1 files changed, 42 insertions, 11 deletions
diff --git a/test/MC/Mips/hilo-addressing.s b/test/MC/Mips/hilo-addressing.s
index 28459c2067..84b2104c5b 100644
--- a/test/MC/Mips/hilo-addressing.s
+++ b/test/MC/Mips/hilo-addressing.s
@@ -1,11 +1,42 @@
-# RUN: llvm-mc -show-encoding -triple mips-unknown-unknown %s | FileCheck %s
-
- .ent hilo_test
- .equ addr, 0xdeadbeef
-# CHECK: # encoding: [0x3c,0x04,0xde,0xae]
- lui $4,%hi(addr)
-# CHECK: # encoding: [0x03,0xe0,0x00,0x08]
- jr $31
-# CHECK: # encoding: [0x80,0x82,0xbe,0xef]
- lb $2,%lo(addr)($4)
- .end hilo_test
+# RUN: llvm-mc -show-encoding -triple mips-unknown-unknown %s \
+# RUN: | FileCheck %s -check-prefix=CHECK-ENC
+
+# RUN: llvm-mc -filetype=obj -triple=mipsel-unknown-linux %s \
+# RUN: | llvm-objdump -disassemble - | FileCheck %s -check-prefix=CHECK-INSTR
+
+# RUN: llvm-mc -filetype=obj -triple=mipsel-unknown-linux %s \
+# RUN: | llvm-readobj -r | FileCheck %s -check-prefix=CHECK-REL
+
+
+# Check that 1 is added to the high 16 bits if bit 15 of the low part is 1.
+
+ .equ addr, 0xdeadbeef
+ lui $4, %hi(addr)
+ lb $2, %lo(addr)($4)
+# CHECK-ENC: # encoding: [0x3c,0x04,0xde,0xae]
+# CHECK-ENC: # encoding: [0x80,0x82,0xbe,0xef]
+
+
+# Check that assembler can handle %hi(label1 - label2) and %lo(label1 - label2)
+# expressions.
+
+$L1:
+ # Emit zeros so that difference between $L3 and $L1 is 0x30124 bytes.
+ .fill 0x30124-8
+$L2:
+ lui $4, %hi($L3-$L1)
+ addiu $4, $4, %lo($L3-$L1)
+# CHECK-INSTR: lui $4, 3
+# CHECK-INSTR: addiu $4, $4, 292
+
+$L3:
+ lui $5, %hi($L2-$L3)
+ lw $5, %lo($L2-$L3)($5)
+# CHECK-INSTR: lui $5, 0
+# CHECK-INSTR: lw $5, -8($5)
+
+
+# Check that relocation is not emitted for %hi(label1 - label2) and
+# %lo(label1 - label2) expressions.
+
+# CHECK-REL-NOT: R_MIPS