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Further GCC toolchain fixes for aarch64. #3433

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Merged
akesandgren merged 1 commit into from
Sep 27, 2020
Merged

Further GCC toolchain fixes for aarch64. #3433

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10 changes: 5 additions & 5 deletions easybuild/toolchains/compiler/gcc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -69,12 +69,12 @@ class Gcc(Compiler):
DEFAULT_OPT_LEVEL: ['O2', 'ftree-vectorize'],
}

# aarch64 does not support -mno-recip for precision. Based on
# https://gcc.gnu.org/onlinedocs/gcc/AArch64-Options.html the following options are used instead
# gcc on aarch64 does not support -mno-recip, -mieee-fp, -mfno-math-errno...
# https://gcc.gnu.org/onlinedocs/gcc/AArch64-Options.html
if systemtools.get_cpu_architecture() == systemtools.AARCH64:
COMPILER_UNIQUE_OPTION_MAP['precise'] = ['mno-low-precision-recip-sqrt',
'mno-low-precision-sqrt',
'mno-low-precision-div']
no_recip_alternative = ['mno-low-precision-recip-sqrt', 'mno-low-precision-sqrt', 'mno-low-precision-div']
COMPILER_UNIQUE_OPTION_MAP['strict'] = no_recip_alternative
COMPILER_UNIQUE_OPTION_MAP['precise'] = no_recip_alternative

# used when 'optarch' toolchain option is enabled (and --optarch is not specified)
COMPILER_OPTIMAL_ARCHITECTURE_OPTION = {
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