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Encoding for VADDD. Plus a test for the VFP instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116348 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2010-10-12 22:08:41 +00:00
parent a0c14ef8f6
commit 174777bb2b
2 changed files with 37 additions and 3 deletions
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17
lib/Target/ARM/ARMInstrVFP.td
View File

@ -142,9 +142,20 @@ def VSTMS_UPD : AXSI4<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
// FP Binary Operations.
//
def VADDD : ADbI<0b11100, 0b11, 0, 0, (outs DPR:$dst), (ins DPR:$a, DPR:$b),
IIC_fpALU64, "vadd", ".f64\t$dst, $a, $b",
[(set DPR:$dst, (fadd DPR:$a, (f64 DPR:$b)))]>;
def VADDD : ADbI<0b11100, 0b11, 0, 0, (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
IIC_fpALU64, "vadd", ".f64\t$Dd, $Dn, $Dm",
[(set DPR:$Dd, (fadd DPR:$Dn, (f64 DPR:$Dm)))]> {
bits<5> Dd;
bits<5> Dn;
bits<5> Dm;
let Inst{3-0} = Dm{3-0};
let Inst{5} = Dm{4};
let Inst{19-16} = Dn{3-0};
let Inst{7} = Dn{4};
let Inst{15-12} = Dd{3-0};
let Inst{22} = Dd{4};
}
def VADDS : ASbIn<0b11100, 0b11, 0, 0, (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
IIC_fpALU32, "vadd", ".f32\t$Sd, $Sn, $Sm",

23
test/MC/ARM/simple-fp-encoding.ll Normal file
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@ -0,0 +1,23 @@
;RUN: llc -mtriple=armv7-apple-darwin -mcpu=cortex-a8 -mattr=-neonfp -show-mc-encoding < %s | FileCheck %s
; FIXME: Once the ARM integrated assembler is up and going, these sorts of tests
; should run on .s source files rather than using llc to generate the
; assembly.
define arm_aapcscc float @f1(float %a, float %b) nounwind {
entry:
; CHECK: f1
; CHECK: vadd.f32 s0, s1, s0 @ encoding: [0x80,0x0a,0x30,0xee]
%add = fadd float %a, %b
ret float %add
}
define arm_aapcscc double @f2(double %a, double %b) nounwind {
entry:
; CHECK: f2
; CHECK: vadd.f64 d16, d17, d16 @ encoding: [0xa0,0x0b,0x71,0xee]
%add = fadd double %a, %b
ret double %add
}