From: Peter Bergner Date: Mon, 12 Sep 2022 19:56:20 +0000 (-0500) Subject: ppc: Document the -mfuture and -Mfuture options and make them usable X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=29a6701e530a4119d3c0d261da2b7b24034c9233;p=binutils-gdb.git ppc: Document the -mfuture and -Mfuture options and make them usable The -mfuture and -Mfuture options which are used for adding potential new ISA instructions were not documented. They also lacked a bitmask so new instructions could not be enabled by those options. Fixed. binutils/ * doc/binutils.texi: Document -Mfuture. gas/ * config/tc-ppc.c: Document -mfuture * doc/c-ppc.texi: Likewise. include/ * opcode/ppc.h (PPC_OPCODE_FUTURE): Define. opcodes/ * ppc-dis.c (ppc_opts) : Use it. * ppc-opc.c (FUTURE): Define. --- diff --git a/binutils/doc/binutils.texi b/binutils/doc/binutils.texi index f61a619ec78..1499db5728c 100644 --- a/binutils/doc/binutils.texi +++ b/binutils/doc/binutils.texi @@ -2638,7 +2638,7 @@ rather than @code{li}. All of the @option{-m} arguments for @option{ppc32}, @option{ppc64}, @option{ppc64bridge}, @option{ppcps}, @option{pwr}, @option{pwr2}, @option{pwr4}, @option{pwr5}, @option{pwr5x}, @option{pwr6}, @option{pwr7}, @option{pwr8}, @option{pwr9}, @option{pwr10}, -@option{pwrx}, @option{titan}, and @option{vle}. +@option{pwrx}, @option{titan}, @option{vle}, and @option{future}. @option{32} and @option{64} modify the default or a prior CPU selection, disabling and enabling 64-bit insns respectively. In addition, @option{altivec}, @option{any}, @option{htm}, @option{vsx}, diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c index b5aad4b6e3e..37a8b54a28f 100644 --- a/gas/config/tc-ppc.c +++ b/gas/config/tc-ppc.c @@ -1384,6 +1384,8 @@ PowerPC options:\n")); fprintf (stream, _("\ -mlibresoc generate code for Libre-SOC architecture\n")); fprintf (stream, _("\ +-mfuture generate code for 'future' architecture\n")); + fprintf (stream, _("\ -mcell generate code for Cell Broadband Engine architecture\n")); fprintf (stream, _("\ -mcom generate code for Power/PowerPC common instructions\n")); diff --git a/gas/doc/c-ppc.texi b/gas/doc/c-ppc.texi index 81254935239..2986d3de7f8 100644 --- a/gas/doc/c-ppc.texi +++ b/gas/doc/c-ppc.texi @@ -150,6 +150,9 @@ Generate code for Power9 architecture. @item -mpower10, -mpwr10 Generate code for Power10 architecture. +@item -mfuture +Generate code for 'future' architecture. + @item -mcell @item -mcell Generate code for Cell Broadband Engine architecture. diff --git a/include/opcode/ppc.h b/include/opcode/ppc.h index 3578f0d218d..c5d96a265a8 100644 --- a/include/opcode/ppc.h +++ b/include/opcode/ppc.h @@ -240,6 +240,9 @@ extern const unsigned int spe2_num_opcodes; /* Opcode is only supported by SVP64 extensions (LibreSOC architecture). */ #define PPC_OPCODE_SVP64 0x800000000000ull +/* Opcode is only supported by 'future' architecture. */ +#define PPC_OPCODE_FUTURE 0x1000000000000ull + /* A macro to extract the major opcode from an instruction. */ #define PPC_OP(i) (((i) >> 26) & 0x3f) diff --git a/opcodes/ppc-dis.c b/opcodes/ppc-dis.c index 97f2e201e9a..3ba06274b21 100644 --- a/opcodes/ppc-dis.c +++ b/opcodes/ppc-dis.c @@ -208,7 +208,8 @@ struct ppc_mopt ppc_opts[] = { { "future", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9 - | PPC_OPCODE_POWER10 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX), + | PPC_OPCODE_POWER10 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX + | PPC_OPCODE_FUTURE), 0 }, { "ppc", PPC_OPCODE_PPC, 0 }, diff --git a/opcodes/ppc-opc.c b/opcodes/ppc-opc.c index 934b1bf4e85..25c96ba87b7 100644 --- a/opcodes/ppc-opc.c +++ b/opcodes/ppc-opc.c @@ -4847,6 +4847,7 @@ const unsigned int num_powerpc_operands = (sizeof (powerpc_operands) #define POWER8 PPC_OPCODE_POWER8 #define POWER9 PPC_OPCODE_POWER9 #define POWER10 PPC_OPCODE_POWER10 +#define FUTURE PPC_OPCODE_FUTURE #define CELL PPC_OPCODE_CELL #define PPC64 PPC_OPCODE_64 | PPC_OPCODE_64_BRIDGE #define NON32 (PPC_OPCODE_64 | PPC_OPCODE_POWER4 \