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[mips] Emit call16 operator instead of got_disp. The former allows lazy binding.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175920 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2013-02-22 21:10:03 +00:00
parent 2de6d3b20f
commit 6068932940
3 changed files with 30 additions and 17 deletions
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4
lib/Target/Mips/MipsISelLowering.cpp
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@ -3298,9 +3298,7 @@ MipsTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
else if (LargeGOT)
Callee = getAddrGlobalLargeGOT(Callee, DAG, MipsII::MO_CALL_HI16,
MipsII::MO_CALL_LO16);
else if (HasMips64)
Callee = getAddrGlobal(Callee, DAG, MipsII::MO_GOT_DISP);
else // O32 & PIC
else // N64 || PIC
Callee = getAddrGlobal(Callee, DAG, MipsII::MO_GOT_CALL);
GlobalOrExternal = true;

14
test/CodeGen/Mips/mips64-expand-libcall.ll
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@ -1,14 +0,0 @@
; RUN: llc -march=mips64el -mcpu=mips64r2 -O3 < %s | FileCheck %s
; Check that %add is not passed in an integer register.
;
; CHECK-NOT: dmfc1 $4
define double @callfloor(double %d) nounwind readnone {
entry:
%add = fadd double %d, 1.000000e+00
%call = tail call double @floor(double %add) nounwind readnone
ret double %call
}
declare double @floor(double) nounwind readnone

29
test/CodeGen/Mips/mips64-libcall.ll Normal file
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@ -0,0 +1,29 @@
; RUN: llc -march=mips64el -mcpu=mips64r2 -O3 < %s |\
; RUN: FileCheck %s -check-prefix=HARD
; RUN: llc -march=mips64el -mcpu=mips64r2 -soft-float < %s |\
; RUN: FileCheck %s -check-prefix=SOFT
; Check that %add is not passed in an integer register.
;
; HARD : callfloor:
; HARD-NOT: dmfc1 $4
define double @callfloor(double %d) nounwind readnone {
entry:
%add = fadd double %d, 1.000000e+00
%call = tail call double @floor(double %add) nounwind readnone
ret double %call
}
declare double @floor(double) nounwind readnone
; Check call16.
;
; SOFT: f64add:
; SOFT: ld $25, %call16(__adddf3)
define double @f64add(double %a, double %b) {
entry:
%add = fadd double %a, %b
ret double %add
}