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760a46522a
The FPv4-SP floating-point unit is generally referred to as single-precision only, but it does have double-precision registers and load, store and GPR<->DPR move instructions which operate on them. This patch enables the use of these registers, the main advantage of which is that we now comply with the AAPCS-VFP calling convention. This partially reverts r209650, which added some AAPCS-VFP support, but did not handle return values or alignment of double arguments in registers. This patch also adds tests for Thumb2 code generation for floating-point instructions and intrinsics, which previously only existed for ARM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216172 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| Thumb2 | ||
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