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This patch produces the correct addend value for

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an R_MIPS_GPREL16 relocation.


Contributer: Jack Carter


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171882 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jack Carter 2013-01-08 19:01:28 +00:00
parent 26853a5d1c
commit 4a50e53e53
2 changed files with 34 additions and 0 deletions
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1
lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
View File

@ -37,6 +37,7 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) {
case FK_Data_4:
case FK_Data_8:
case Mips::fixup_Mips_LO16:
case Mips::fixup_Mips_GPREL16:
case Mips::fixup_Mips_GPOFF_HI:
case Mips::fixup_Mips_GPOFF_LO:
case Mips::fixup_Mips_GOT_PAGE:

33
test/MC/Mips/mips_gprel16.ll Normal file
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@ -0,0 +1,33 @@
; This addresses bug 14456. We were not writing
; out the addend to the gprel16 relocation. The
; addend is stored in the instruction immediate
; field.
;llc gprel16.ll -o gprel16.o -mcpu=mips32r2 -march=mipsel -filetype=obj -relocation-model=static
; RUN: llc -mcpu=mips32r2 -march=mipsel -filetype=obj -relocation-model=static %s -o - \
; RUN: | llvm-objdump -disassemble -mattr +mips32r2 - \
; RUN: | FileCheck %s
target triple = "mipsel-sde--elf-gcc"
@var1 = internal global i32 0, align 4
@var2 = internal global i32 0, align 4
define i32 @testvar1() nounwind {
entry:
; CHECK: lw ${{[0-9]+}}, 0($gp)
%0 = load i32* @var1, align 4
%tobool = icmp ne i32 %0, 0
%cond = select i1 %tobool, i32 1, i32 0
ret i32 %cond
}
define i32 @testvar2() nounwind {
entry:
; CHECK: lw ${{[0-9]+}}, 4($gp)
%0 = load i32* @var2, align 4
%tobool = icmp ne i32 %0, 0
%cond = select i1 %tobool, i32 1, i32 0
ret i32 %cond
}