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| author | H. Peter Anvin <hpa@zytor.com> | 2007-10-16 14:40:27 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2007-10-16 14:40:27 -0700 |
| commit | f6c9e65d4f906d0847ef747595de6495c92b9778 (patch) | |
| tree | 2f37e73e9150c1e8699da19baa9b7deaad669216 /standard.mac | |
| parent | fab3a6c9de9c56f1db7770c7c5e0271e33455ea2 (diff) | |
| download | nasm-f6c9e65d4f906d0847ef747595de6495c92b9778.tar.gz nasm-f6c9e65d4f906d0847ef747595de6495c92b9778.tar.bz2 nasm-f6c9e65d4f906d0847ef747595de6495c92b9778.zip | |
Implement floating-point option control directive
New directive [FLOAT] with associated standard macros; allows the
setting to be saved and restored.
Diffstat (limited to 'standard.mac')
| -rw-r--r-- | standard.mac | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/standard.mac b/standard.mac index bfc2af0..e056352 100644 --- a/standard.mac +++ b/standard.mac @@ -111,6 +111,33 @@ __SECT__ [cpu %1] %endmacro +%define __FLOAT_DAZ__ nodaz +%define __FLOAT_ROUND__ near +; __FLOAT__ contains the whole floating-point configuration so it can +; be saved and restored +%define __FLOAT__ __FLOAT_DAZ__ __FLOAT_ROUND__ +%imacro float 1-*.nolist +%rep %0 +[float %1] +%ifidni %1,daz +%define __FLOAT_DAZ__ daz +%elifidni %1,nodaz +%define __FLOAT_DAZ__ nodaz +%elifidni %1,near +%define __FLOAT_ROUND__ near +%elifidni %1,up +%define __FLOAT_ROUND__ up +%elifidni %1,down +%define __FLOAT_ROUND__ down +%elifidni %1,zero +%define __FLOAT_ROUND__ zero +%elifidni %1,default +%define __FLOAT_DAZ__ nodaz +%define __FLOAT_ROUND__ near +%endif +%endrep +%endmacro + %imacro default 1+.nolist [default %1] %endmacro |