Lines Matching full:underscore
184 If an opcode name is prefixed with an underscore character (@samp{_}),
186 underscore prefix disables both optimization (@pxref{Xtensa
189 use the underscore prefix when it is essential to select the exact
194 Note that this special handling of underscore prefixes only applies to
196 When an underscore prefix is used with a macro (e.g., @code{_MOV}), it
198 macros both with and without the underscore prefix, where the underscore
199 versions behave as if the underscore carries through to the instructions
202 The underscore prefix only applies to individual instructions, not to
204 underscore prefixes, the assembler will not transform the individual
247 density option. This translation can be disabled by using underscore
363 underscore prefixes (@pxref{Xtensa Opcodes, ,Opcode Names}), the
499 can be disabled by using underscore prefixes (@pxref{Xtensa Opcodes,
715 determined by the command-line options. An underscore opcode prefix,
