PFA MWAITX fixed patch. OK to apply? -----Original Message----- From: H.J. Lu [mailto:hjl.tools@gmail.com] Sent: Thursday, June 25, 2015 2:56 PM To: Pawar, Amit Cc: binutils@sourceware.org; Jan Beulich Subject: Re: [PATH] AMD MWAITX enablement On Thu, Jun 25, 2015 at 12:55 AM, Pawar, Amit wrote: > PFA MWAITX rebase patch without generated header files. Is ok to apply? > > Regards, > Amit + if (i.tm.cpu_flags.bitfield.cpumwaitx && i.operands > 0) + { + /* MONITORX/MWAITX instructions have fixed operands with an opcode + suffix which is coded in the same place as an 8-bit immediate field + would be. + Here we check those operands and remove them afterwards. */ ^^^^ Align it with "would be". + unsigned int x; + + if (strcmp(i.tm.name, "mwaitx") == 0) + { + x = 0; + if (register_number (i.op[x].regs) != x) + as_bad (_("can't use register '%s%s' as operand %d in '%s'."), + register_prefix, i.op[x].regs->reg_name, x + 1, + i.tm.name); + + x++; + if (register_number (i.op[x].regs) != x) + as_bad (_("can't use register '%s%s' as operand %d in '%s'."), + register_prefix, i.op[x].regs->reg_name, x + 1, + i.tm.name); + + x++; + if (register_number (i.op[x].regs) != x+1) + as_bad (_("can't use register '%s%s' as operand %d in '%s'."), + register_prefix, i.op[x].regs->reg_name, x + 1, + i.tm.name); + + } + else + { + for (x = 0; x < i.operands; x++) + if (register_number (i.op[x].regs) != x) + as_bad (_("can't use register '%s%s' as operand %d in '%s'."), + register_prefix, i.op[x].regs->reg_name, x + 1, + i.tm.name); + } + + i.operands = 0; + } + Please use a single for loop and fix indentation like if ( { if ( { H.J. static void +OP_Mwaitx (int bytemode ATTRIBUTE_UNUSED, + int sizeflag ATTRIBUTE_UNUSED) +{ + /* mwait %eax,%ecx */ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Please fix comments. + if (!intel_syntax) + { + const char **names = (address_mode == mode_64bit + ? names64 : names32); + strcpy (op_out[0], names[0]); + strcpy (op_out[1], names[1]); + strcpy (op_out[2], names[3]); + two_source_ops = 1; + } + /* Skip mod/rm byte. */ + MODRM_CHECK; + codep++; +} + -- H.J.