77ea73f5e5
Make clang slightly more cautious when contracting floating-point operations (e.g., when applying fused multiply add) by setting -ffp-contract=on (instead of fast). Signed-off-by: Marius Hillenbrand <mhillen@linux.ibm.com>
17 lines
361 B
Makefile
17 lines
361 B
Makefile
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ifeq ($(CORE), Z13)
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CCOMMON_OPT += -march=z13 -mzvector
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FCOMMON_OPT += -march=z13 -mzvector
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endif
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ifeq ($(CORE), Z14)
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CCOMMON_OPT += -march=z14 -mzvector -O3
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FCOMMON_OPT += -march=z14 -mzvector
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endif
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# Enable floating-point expression contraction for clang, since it is the
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# default for gcc
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ifeq ($(C_COMPILER), CLANG)
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CCOMMON_OPT += -ffp-contract=on
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endif
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