diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 520c2c51ce..f84a1994aa 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -511,6 +511,7 @@ Objective-C and Objective-C++ Dialects}. -momit-leaf-frame-pointer -mno-omit-leaf-frame-pointer @gol -mtls-dialect=desc -mtls-dialect=traditional @gol -mfix-cortex-a53-835769 -mno-fix-cortex-a53-835769 @gol +-mfix-cortex-a53-843419 -mno-fix-cortex-a53-843419 @gol -march=@var{name} -mcpu=@var{name} -mtune=@var{name}} @emph{Adapteva Epiphany Options} @@ -1075,7 +1076,7 @@ See RS/6000 and PowerPC Options. -maes -mpclmul -mfsgsbase -mrdrnd -mf16c -mfma -mprefetchwt1 @gol -mclflushopt -mxsavec -mxsaves @gol -msse4a -m3dnow -mpopcnt -mabm -mbmi -mtbm -mfma4 -mxop -mlzcnt @gol --mbmi2 -mfxsr -mxsave -mxsaveopt -mrtm -mlwp -mmpx -mthreads @gol +-mbmi2 -mfxsr -mxsave -mxsaveopt -mrtm -mlwp -mmpx -mmwaitx -mthreads @gol -mno-align-stringops -minline-all-stringops @gol -minline-stringops-dynamically -mstringop-strategy=@var{alg} @gol -mmemcpy-strategy=@var{strategy} -mmemset-strategy=@var{strategy} @gol @@ -2703,10 +2704,10 @@ int i = @{ 2.2 @}; // error: narrowing from double to int This flag is included in @option{-Wall} and @option{-Wc++11-compat}. -With @option{-std=c++11}, @option{-Wno-narrowing} suppresses for -non-constants the diagnostic required by the standard. Note that this -does not affect the meaning of well-formed code; narrowing conversions -are still considered ill-formed in SFINAE context. +With @option{-std=c++11}, @option{-Wno-narrowing} suppresses the diagnostic +required by the standard. Note that this does not affect the meaning +of well-formed code; narrowing conversions are still considered +ill-formed in SFINAE context. @item -Wnoexcept @r{(C++ and Objective-C++ only)} @opindex Wnoexcept @@ -12312,6 +12313,14 @@ Enable or disable the workaround for the ARM Cortex-A53 erratum number 835769. This involves inserting a NOP instruction between memory instructions and 64-bit integer multiply-accumulate instructions. +@item -mfix-cortex-a53-843419 +@itemx -mno-fix-cortex-a53-843419 +@opindex mfix-cortex-a53-843419 +@opindex mno-fix-cortex-a53-843419 +Enable or disable the workaround for the ARM Cortex-A53 erratum number 843419. +This erratum workaround is made at link time and this will only pass the +corresponding flag to the linker. + @item -march=@var{name} @opindex march Specify the name of the target architecture, optionally suffixed by one or @@ -20208,7 +20217,8 @@ The default is to not print debug information. Generate code that runs on @var{cpu-type}, which is the name of a system representing a certain processor type. Possible values for @var{cpu-type} are @samp{g5}, @samp{g6}, @samp{z900}, @samp{z990}, -@samp{z9-109}, @samp{z9-ec}, @samp{z10}, @samp{z196}, and @samp{zEC12}. +@samp{z9-109}, @samp{z9-ec}, @samp{z10}, @samp{z196}, @samp{zEC12}, +and @samp{z13}. When generating code using the instructions available on z/Architecture, the default is @option{-march=z900}. Otherwise, the default is @option{-march=g5}. @@ -22289,7 +22299,7 @@ in ordinary CPU registers instead. @opindex mno-fancy-math-387 Some 387 emulators do not support the @code{sin}, @code{cos} and @code{sqrt} instructions for the 387. Specify this option to avoid -generating those instructions. This option is the default on FreeBSD, +generating those instructions. This option is the default on OpenBSD and NetBSD@. This option is overridden when @option{-march} indicates that the target CPU always has an FPU and so the instruction does not need emulation. These @@ -22625,10 +22635,13 @@ preferred alignment to @option{-mpreferred-stack-boundary=2}. @need 200 @itemx -mmpx @opindex mmpx +@need 200 +@itemx -mmwaitx +@opindex mmwaitx These switches enable the use of instructions in the MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, AVX, AVX2, AVX512F, AVX512PF, AVX512ER, AVX512CD, SHA, AES, PCLMUL, FSGSBASE, RDRND, F16C, FMA, SSE4A, FMA4, XOP, LWP, ABM, -BMI, BMI2, FXSR, XSAVE, XSAVEOPT, LZCNT, RTM, MPX or 3DNow!@: +BMI, BMI2, FXSR, XSAVE, XSAVEOPT, LZCNT, RTM, MPX, MWAITX or 3DNow!@: extended instruction sets. Each has a corresponding @option{-mno-} option to disable use of these instructions. |