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5d88cb6cf6
ARM seems to prefer that long literals be formed from their little end in order to promote the fusion of the instrs pairs MOV/MOVK and MOVK/MOVK on Cortex A57 and others (v. "Cortex A57 Software Optimisation Guide", section 4.14). Differential revision: https://reviews.llvm.org/D28697 llvm-svn: 292422
16 lines
583 B
LLVM
16 lines
583 B
LLVM
; RUN: llc -mtriple=aarch64-linux-gnu < %s -show-mc-encoding -code-model=large | FileCheck %s
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@var = global i32 0
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; CodeGen should ensure that the correct shift bits are set, because the linker
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; isn't going to!
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define i32* @get_var() {
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ret i32* @var
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; CHECK: movz x0, #:abs_g0_nc:var // encoding: [0bAAA00000,A,0b100AAAAA,0xd2]
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; CHECK: movk x0, #:abs_g1_nc:var // encoding: [0bAAA00000,A,0b101AAAAA,0xf2]
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; CHECK: movk x0, #:abs_g2_nc:var // encoding: [0bAAA00000,A,0b110AAAAA,0xf2]
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; CHECK: movk x0, #:abs_g3:var // encoding: [0bAAA00000,A,0b111AAAAA,0xf2]
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}
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