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PTX: Always use registers for return values, but use .param space for device

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parameters if SM >= 2.0

- Update test cases to be more robust against register allocation changes
- Bump up the number of registers to 128 per type
- Include Python script to re-generate register file with any number of
  registers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133736 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Holewinski
2011-06-23 18:10:13 +00:00
parent 6b1131e5ff
commit d8149c1bef
26 changed files with 1043 additions and 403 deletions
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8
test/CodeGen/PTX/mul.ll
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@@ -11,28 +11,28 @@
;}
define ptx_device float @t1_f32(float %x, float %y) {
; CHECK: mul.rn.f32 r0, r1, r2
; CHECK: mul.rn.f32 r{{[0-9]+}}, r{{[0-9]+}}, r{{[0-9]+}}
; CHECK-NEXT: ret;
%z = fmul float %x, %y
ret float %z
}
define ptx_device double @t1_f64(double %x, double %y) {
; CHECK: mul.rn.f64 rd0, rd1, rd2
; CHECK: mul.rn.f64 rd{{[0-9]+}}, rd{{[0-9]+}}, rd{{[0-9]+}}
; CHECK-NEXT: ret;
%z = fmul double %x, %y
ret double %z
}
define ptx_device float @t2_f32(float %x) {
; CHECK: mul.rn.f32 r0, r1, 0F40A00000;
; CHECK: mul.rn.f32 r{{[0-9]+}}, r{{[0-9]+}}, 0F40A00000;
; CHECK-NEXT: ret;
%z = fmul float %x, 5.0
ret float %z
}
define ptx_device double @t2_f64(double %x) {
; CHECK: mul.rn.f64 rd0, rd1, 0D4014000000000000;
; CHECK: mul.rn.f64 rd{{[0-9]+}}, rd{{[0-9]+}}, 0D4014000000000000;
; CHECK-NEXT: ret;
%z = fmul double %x, 5.0
ret double %z