llvm-project.git/clang/test/CodeGen/PowerPC/ppc-vector-compare.cpp, branch users/nico/python-2 Unnamed repository; edit this file 'description' to name the repository. [PowerPC] Fixing implicit castings in altivec for -fno-lax-vector-conversions 2022-06-16T22:07:03+00:00 Maryam Moghadas maryammo@ca.ibm.com 2022-06-16T01:20:24+00:00 a9ddb7d54e34533ff4af32d720d69177ef0c605d XL considers different vector types to be incompatible with each other. For example assignment between variables of types vector float and vector long long or even vector signed int and vector unsigned int are diagnosed. clang, however does not diagnose such cases and does a simple bitcast between the two types. This could easily result in program errors. This patch is to fix the implicit casts in altivec.h so that there is no incompatible vector type errors whit -fno-lax-vector-conversions, this is the prerequisite patch to switch the default to -fno-lax-vector-conversions later. Reviewed By: nemanjai, amyk Differential Revision: https://reviews.llvm.org/D124093 
XL considers different vector types to be incompatible with each other.
For example assignment between variables of types vector float and vector
long long or even vector signed int and vector unsigned int are diagnosed.
clang, however does not diagnose such cases and does a simple bitcast between
the two types. This could easily result in program errors. This patch is to
fix the implicit casts in altivec.h so that there is no incompatible vector
type errors whit -fno-lax-vector-conversions, this is the prerequisite patch
to switch the default to -fno-lax-vector-conversions later.

Reviewed By: nemanjai, amyk

Differential Revision: https://reviews.llvm.org/D124093
[NFC] Group PowerPC clang codegen tests into directory 2022-01-26T07:19:22+00:00 Qiu Chaofan qiucofan@cn.ibm.com 2022-01-26T07:19:22+00:00 f563bd74cb9a4f0d2d3eb49d35536b648361ec53