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https://github.com/c64scene-ar/llvm-6502.git
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940e7965f1
The old algorithm inserted a 'rotqmbyi' instruction which was both redundant and wrong - it made shufb select bytes from the wrong end of the input quad. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116701 91177308-0d34-0410-b5e6-96231b3b80d8
51 lines
1.1 KiB
LLVM
51 lines
1.1 KiB
LLVM
; RUN: llc < %s -march=cellspu | FileCheck %s
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; ModuleID = 'sext128.bc'
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target datalayout = "E-p:32:32:128-i1:8:128-i8:8:128-i16:16:128-i32:32:128-i64:32:128-f32:32:128-f64:64:128-v64:128:128-v128:128:128-a0:0:128-s0:128:128"
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target triple = "spu"
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define i128 @sext_i64_i128(i64 %a) {
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entry:
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%0 = sext i64 %a to i128
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ret i128 %0
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; CHECK: long 269488144
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; CHECK: long 269488144
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; CHECK: long 66051
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; CHECK: long 67438087
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; CHECK-NOT: rotqmbyi
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; CHECK: rotmai
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; CHECK: lqa
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; CHECK: shufb
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}
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define i128 @sext_i32_i128(i32 %a) {
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entry:
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%0 = sext i32 %a to i128
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ret i128 %0
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; CHECK: long 269488144
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; CHECK: long 269488144
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; CHECK: long 269488144
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; CHECK: long 66051
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; CHECK-NOT: rotqmbyi
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; CHECK: rotmai
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; CHECK: lqa
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; CHECK: shufb
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}
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define i128 @sext_i32_i128a(float %a) {
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entry:
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%0 = call i32 @myfunc(float %a)
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%1 = sext i32 %0 to i128
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ret i128 %1
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; CHECK: long 269488144
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; CHECK: long 269488144
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; CHECK: long 269488144
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; CHECK: long 66051
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; CHECK-NOT: rotqmbyi
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; CHECK: rotmai
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; CHECK: lqa
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; CHECK: shufb
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}
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declare i32 @myfunc(float)
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