[libunwind] Further fix for 32-bit PowerPC processors without AltiVec
https://reviews.llvm.org/D91906 did most of the work necessary to fix libunwind on 32-bit PowerPC processors without AltiVec, but there was one more piece necessary. Reviewed By: luporl Differential Revision: https://reviews.llvm.org/D120197
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@ -603,9 +603,11 @@ DEFINE_LIBUNWIND_FUNCTION(__unw_getcontext)
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stw 30,128(3)
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stw 31,132(3)
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#if defined(__ALTIVEC__)
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// save VRSave register
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mfspr 0, 256
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stw 0, 156(3)
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#endif
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// save CR registers
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mfcr 0
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stw 0, 136(3)
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