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authorJuergen Christ <jchrist@linux.ibm.com>2023-11-20 09:13:10 +0100
committerAndreas Krebbel <krebbel@linux.ibm.com>2023-11-23 15:32:17 +0100
commit466b100e5fee808d77598e0f294654deec281150 (patch)
tree68392e0d1683a25422c10694ca4fc51603cbe4d7 /gcc/fortran/options.cc
parent111b5555c7a37f0bcf41c27363bbe8acbb6eb238 (diff)
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s390: implement flags output
Implement flags output for inline assemblies. Only use one output constraint that captures the whole condition code. No breakout into different condition codes is allowed. Also, only one condition code variable is allowed. Add further logic to canonicalize various cases where we combine different cases of possible condition codes. gcc/ChangeLog: * config/s390/s390-c.cc (s390_cpu_cpp_builtins): Define __GCC_ASM_FLAG_OUTPUTS__. * config/s390/s390.cc (s390_canonicalize_comparison): More UNSPEC_CC_TO_INT cases. (s390_md_asm_adjust): Implement flags output. * config/s390/s390.md (ccstore4): Allow mask operands. * doc/extend.texi: Document flags output. gcc/testsuite/ChangeLog: * gcc.target/s390/ccor.c: New test. Signed-off-by: Juergen Christ <jchrist@linux.ibm.com>
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