FNSAVE
X87_ALU X87 x86_64
2 encoding forms.
X86_FNSAVE_X86_LEGACY_ONEBYTE_DD_304821
mem
XED_FNSAVE_X86_LEGACY_ONEBYTE_DD_758310
MEM0:w:mem94 \ REG0=XED_REG_X87CONTROL:rw:SUPP \ REG1=XED_REG_X87TAG:rw:SUPP \ REG3=XED_REG_X87STATUS:rw:SUPP MEM0:w:mem94 \ REG0=XED_REG_X87CONTROL:rw:SUPP \ REG1=XED_REG_X87TAG:rw:SUPP \ REG3=XED_REG_X87STATUS:rw:SUPP MEM0:w:mem94 \ REG0=XED_REG_X87CONTROL:rw:SUPP \ REG1=XED_REG_X87TAG:rw:SUPP \ REG3=XED_REG_X87STATUS:rw:SUPP MEM0:w:mem108 \ REG0=XED_REG_X87CONTROL:rw:SUPP \ REG1=XED_REG_X87TAG:rw:SUPP \ REG3=XED_REG_X87STATUS:rw:SUPP MEM0:w:mem108 \ REG0=XED_REG_X87CONTROL:rw:SUPP \ REG1=XED_REG_X87TAG:rw:SUPP \ REG3=XED_REG_X87STATUS:rw:SUPP MEM0:w:mem108 \ REG0=XED_REG_X87CONTROL:rw:SUPP \ REG1=XED_REG_X87TAG:rw:SUPP \ REG3=XED_REG_X87STATUS:rw:SUPP MEM0:w:mem108 \ REG0=XED_REG_X87CONTROL:rw:SUPP \ REG1=XED_REG_X87TAG:rw:SUPP \ REG3=XED_REG_X87STATUS:rw:SUPP