David Guillen Fandos <da...@davidgf.net> 于2025年8月10日周日 03:02写道：
>
> The MIPS Allegrex CPU is based on MIPS2 with some additional MIPS32r2
> instructions and a few novel ones. Support for this CPU was added as of
> binutils 2.41.
>
> gcc/ChangeLog:
>
> * config/mips/mips-cpus.def (MIPS_CPU): Added a new CPU.
> * config/mips/mips-tables.opt: Regenerated table.
> * config/mips/mips.cc: Added cost table for the new CPU.
> * config/mips/mips.h (TARGET_ALLEGREX): Defined a new macro.
> (TUNE_ALLEGREX): Defined a new macro.
> (ISA_HAS_CONDMOVE): Added Allegrex CPU to the list.
> (ISA_HAS_LDC1_SDC1): Exclude Allegrex from the list.
> (ISA_HAS_COND_TRAP): Exclude Allegrex from the list.
> (ISA_HAS_COND_TRAPI): Exclude Allegrex from the list.
> (ISA_HAS_CLZ_CLO): Added Allegrex CPU to the list.
> (ISA_HAS_ROR): Added Allegrex CPU to the list.
> (ISA_HAS_WSBH): Added Allegrex CPU to the list.
> (ISA_HAS_SEB_SEH): Added Allegrex CPU to the list.
> (ISA_HAS_EXT_INS): Added Allegrex CPU to the list.
> (ISA_HAS_XFER_DELAY): Exclude Allegrex from the list.
> (ISA_HAS_HILO_INTERLOCKS): Added Allegrex CPU to the list.
> * config/mips/mips.md: Added Allegrex CPU as a new processor.
> * doc/invoke.texi: Documented Allegrex as a new arch
>
> Signed-off-by: David Guillen Fandos <da...@davidgf.net>
> ---
> gcc/config/mips/mips-cpus.def | 1 +
> gcc/config/mips/mips-tables.opt | 371 ++++++++++++++++----------------
> gcc/config/mips/mips.cc | 14 ++
> gcc/config/mips/mips.h | 21 +-
> gcc/config/mips/mips.md | 3 +
> gcc/doc/invoke.texi | 1 +
> 6 files changed, 223 insertions(+), 188 deletions(-)
>
> diff --git a/gcc/config/mips/mips-cpus.def b/gcc/config/mips/mips-cpus.def
> index dfc41162bf0..c45da84a77a 100644
> --- a/gcc/config/mips/mips-cpus.def
> +++ b/gcc/config/mips/mips-cpus.def
> @@ -62,6 +62,7 @@ MIPS_CPU ("r3900", PROCESSOR_R3900, MIPS_ISA_MIPS1, 0)
>
> /* MIPS II processors. */
> MIPS_CPU ("r6000", PROCESSOR_R6000, MIPS_ISA_MIPS2, 0)
> +MIPS_CPU ("allegrex", PROCESSOR_ALLEGREX, MIPS_ISA_MIPS2, 0)
>
> /* MIPS III processors. */
> MIPS_CPU ("r4000", PROCESSOR_R4000, MIPS_ISA_MIPS3, 0)
> diff --git a/gcc/config/mips/mips-tables.opt b/gcc/config/mips/mips-tables.opt
> index 027abd74048..5fccd9888b7 100644
> --- a/gcc/config/mips/mips-tables.opt
> +++ b/gcc/config/mips/mips-tables.opt
> @@ -160,554 +160,557 @@ EnumValue
> Enum(mips_arch_opt_value) String(6k) Value(17)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4000) Value(18) Canonical
> +Enum(mips_arch_opt_value) String(allegrex) Value(18) Canonical
>
I'd prefer to add allegrex at the end of this list.
> EnumValue
> -Enum(mips_arch_opt_value) String(r4k) Value(18)
> +Enum(mips_arch_opt_value) String(r4000) Value(19) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4000) Value(18)
> +Enum(mips_arch_opt_value) String(r4k) Value(19)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4k) Value(18)
> +Enum(mips_arch_opt_value) String(4000) Value(19)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(vr4100) Value(19) Canonical
> +Enum(mips_arch_opt_value) String(4k) Value(19)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4100) Value(19)
> +Enum(mips_arch_opt_value) String(vr4100) Value(20) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4100) Value(19)
> +Enum(mips_arch_opt_value) String(4100) Value(20)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(vr4111) Value(20) Canonical
> +Enum(mips_arch_opt_value) String(r4100) Value(20)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4111) Value(20)
> +Enum(mips_arch_opt_value) String(vr4111) Value(21) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4111) Value(20)
> +Enum(mips_arch_opt_value) String(4111) Value(21)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(vr4120) Value(21) Canonical
> +Enum(mips_arch_opt_value) String(r4111) Value(21)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4120) Value(21)
> +Enum(mips_arch_opt_value) String(vr4120) Value(22) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4120) Value(21)
> +Enum(mips_arch_opt_value) String(4120) Value(22)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(vr4130) Value(22) Canonical
> +Enum(mips_arch_opt_value) String(r4120) Value(22)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4130) Value(22)
> +Enum(mips_arch_opt_value) String(vr4130) Value(23) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4130) Value(22)
> +Enum(mips_arch_opt_value) String(4130) Value(23)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(vr4300) Value(23) Canonical
> +Enum(mips_arch_opt_value) String(r4130) Value(23)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4300) Value(23)
> +Enum(mips_arch_opt_value) String(vr4300) Value(24) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4300) Value(23)
> +Enum(mips_arch_opt_value) String(4300) Value(24)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4400) Value(24) Canonical
> +Enum(mips_arch_opt_value) String(r4300) Value(24)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4400) Value(24)
> +Enum(mips_arch_opt_value) String(r4400) Value(25) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4600) Value(25) Canonical
> +Enum(mips_arch_opt_value) String(4400) Value(25)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4600) Value(25)
> +Enum(mips_arch_opt_value) String(r4600) Value(26) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(orion) Value(26) Canonical
> +Enum(mips_arch_opt_value) String(4600) Value(26)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4650) Value(27) Canonical
> +Enum(mips_arch_opt_value) String(orion) Value(27) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4650) Value(27)
> +Enum(mips_arch_opt_value) String(r4650) Value(28) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4700) Value(28) Canonical
> +Enum(mips_arch_opt_value) String(4650) Value(28)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4700) Value(28)
> +Enum(mips_arch_opt_value) String(r4700) Value(29) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r5900) Value(29) Canonical
> +Enum(mips_arch_opt_value) String(4700) Value(29)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(5900) Value(29)
> +Enum(mips_arch_opt_value) String(r5900) Value(30) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(loongson2e) Value(30) Canonical
> +Enum(mips_arch_opt_value) String(5900) Value(30)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(loongson2f) Value(31) Canonical
> +Enum(mips_arch_opt_value) String(loongson2e) Value(31) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r8000) Value(32) Canonical
> +Enum(mips_arch_opt_value) String(loongson2f) Value(32) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r8k) Value(32)
> +Enum(mips_arch_opt_value) String(r8000) Value(33) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(8000) Value(32)
> +Enum(mips_arch_opt_value) String(r8k) Value(33)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(8k) Value(32)
> +Enum(mips_arch_opt_value) String(8000) Value(33)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r10000) Value(33) Canonical
> +Enum(mips_arch_opt_value) String(8k) Value(33)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r10k) Value(33)
> +Enum(mips_arch_opt_value) String(r10000) Value(34) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(10000) Value(33)
> +Enum(mips_arch_opt_value) String(r10k) Value(34)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(10k) Value(33)
> +Enum(mips_arch_opt_value) String(10000) Value(34)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r12000) Value(34) Canonical
> +Enum(mips_arch_opt_value) String(10k) Value(34)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r12k) Value(34)
> +Enum(mips_arch_opt_value) String(r12000) Value(35) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(12000) Value(34)
> +Enum(mips_arch_opt_value) String(r12k) Value(35)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(12k) Value(34)
> +Enum(mips_arch_opt_value) String(12000) Value(35)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r14000) Value(35) Canonical
> +Enum(mips_arch_opt_value) String(12k) Value(35)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r14k) Value(35)
> +Enum(mips_arch_opt_value) String(r14000) Value(36) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(14000) Value(35)
> +Enum(mips_arch_opt_value) String(r14k) Value(36)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(14k) Value(35)
> +Enum(mips_arch_opt_value) String(14000) Value(36)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r16000) Value(36) Canonical
> +Enum(mips_arch_opt_value) String(14k) Value(36)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r16k) Value(36)
> +Enum(mips_arch_opt_value) String(r16000) Value(37) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(16000) Value(36)
> +Enum(mips_arch_opt_value) String(r16k) Value(37)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(16k) Value(36)
> +Enum(mips_arch_opt_value) String(16000) Value(37)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(vr5000) Value(37) Canonical
> +Enum(mips_arch_opt_value) String(16k) Value(37)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(vr5k) Value(37)
> +Enum(mips_arch_opt_value) String(vr5000) Value(38) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(5000) Value(37)
> +Enum(mips_arch_opt_value) String(vr5k) Value(38)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(5k) Value(37)
> +Enum(mips_arch_opt_value) String(5000) Value(38)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r5000) Value(37)
> +Enum(mips_arch_opt_value) String(5k) Value(38)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r5k) Value(37)
> +Enum(mips_arch_opt_value) String(r5000) Value(38)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(vr5400) Value(38) Canonical
> +Enum(mips_arch_opt_value) String(r5k) Value(38)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(5400) Value(38)
> +Enum(mips_arch_opt_value) String(vr5400) Value(39) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r5400) Value(38)
> +Enum(mips_arch_opt_value) String(5400) Value(39)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(vr5500) Value(39) Canonical
> +Enum(mips_arch_opt_value) String(r5400) Value(39)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(5500) Value(39)
> +Enum(mips_arch_opt_value) String(vr5500) Value(40) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r5500) Value(39)
> +Enum(mips_arch_opt_value) String(5500) Value(40)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(rm7000) Value(40) Canonical
> +Enum(mips_arch_opt_value) String(r5500) Value(40)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(rm7k) Value(40)
> +Enum(mips_arch_opt_value) String(rm7000) Value(41) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(7000) Value(40)
> +Enum(mips_arch_opt_value) String(rm7k) Value(41)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(7k) Value(40)
> +Enum(mips_arch_opt_value) String(7000) Value(41)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r7000) Value(40)
> +Enum(mips_arch_opt_value) String(7k) Value(41)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r7k) Value(40)
> +Enum(mips_arch_opt_value) String(r7000) Value(41)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(rm9000) Value(41) Canonical
> +Enum(mips_arch_opt_value) String(r7k) Value(41)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(rm9k) Value(41)
> +Enum(mips_arch_opt_value) String(rm9000) Value(42) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(9000) Value(41)
> +Enum(mips_arch_opt_value) String(rm9k) Value(42)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(9k) Value(41)
> +Enum(mips_arch_opt_value) String(9000) Value(42)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r9000) Value(41)
> +Enum(mips_arch_opt_value) String(9k) Value(42)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r9k) Value(41)
> +Enum(mips_arch_opt_value) String(r9000) Value(42)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4kc) Value(42) Canonical
> +Enum(mips_arch_opt_value) String(r9k) Value(42)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4kc) Value(42)
> +Enum(mips_arch_opt_value) String(4kc) Value(43) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4km) Value(43) Canonical
> +Enum(mips_arch_opt_value) String(r4kc) Value(43)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4km) Value(43)
> +Enum(mips_arch_opt_value) String(4km) Value(44) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4kp) Value(44) Canonical
> +Enum(mips_arch_opt_value) String(r4km) Value(44)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4kp) Value(44)
> +Enum(mips_arch_opt_value) String(4kp) Value(45) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4ksc) Value(45) Canonical
> +Enum(mips_arch_opt_value) String(r4kp) Value(45)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4ksc) Value(45)
> +Enum(mips_arch_opt_value) String(4ksc) Value(46) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(m4k) Value(46) Canonical
> +Enum(mips_arch_opt_value) String(r4ksc) Value(46)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(m14kc) Value(47) Canonical
> +Enum(mips_arch_opt_value) String(m4k) Value(47) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(m14k) Value(48) Canonical
> +Enum(mips_arch_opt_value) String(m14kc) Value(48) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(m14ke) Value(49) Canonical
> +Enum(mips_arch_opt_value) String(m14k) Value(49) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(m14kec) Value(50) Canonical
> +Enum(mips_arch_opt_value) String(m14ke) Value(50) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4kec) Value(51) Canonical
> +Enum(mips_arch_opt_value) String(m14kec) Value(51) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4kec) Value(51)
> +Enum(mips_arch_opt_value) String(4kec) Value(52) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4kem) Value(52) Canonical
> +Enum(mips_arch_opt_value) String(r4kec) Value(52)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4kem) Value(52)
> +Enum(mips_arch_opt_value) String(4kem) Value(53) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4kep) Value(53) Canonical
> +Enum(mips_arch_opt_value) String(r4kem) Value(53)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4kep) Value(53)
> +Enum(mips_arch_opt_value) String(4kep) Value(54) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(4ksd) Value(54) Canonical
> +Enum(mips_arch_opt_value) String(r4kep) Value(54)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r4ksd) Value(54)
> +Enum(mips_arch_opt_value) String(4ksd) Value(55) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(24kc) Value(55) Canonical
> +Enum(mips_arch_opt_value) String(r4ksd) Value(55)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r24kc) Value(55)
> +Enum(mips_arch_opt_value) String(24kc) Value(56) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(24kf2_1) Value(56) Canonical
> +Enum(mips_arch_opt_value) String(r24kc) Value(56)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r24kf2_1) Value(56)
> +Enum(mips_arch_opt_value) String(24kf2_1) Value(57) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(24kf) Value(57) Canonical
> +Enum(mips_arch_opt_value) String(r24kf2_1) Value(57)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r24kf) Value(57)
> +Enum(mips_arch_opt_value) String(24kf) Value(58) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(24kf1_1) Value(58) Canonical
> +Enum(mips_arch_opt_value) String(r24kf) Value(58)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r24kf1_1) Value(58)
> +Enum(mips_arch_opt_value) String(24kf1_1) Value(59) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(24kfx) Value(59) Canonical
> +Enum(mips_arch_opt_value) String(r24kf1_1) Value(59)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r24kfx) Value(59)
> +Enum(mips_arch_opt_value) String(24kfx) Value(60) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(24kx) Value(60) Canonical
> +Enum(mips_arch_opt_value) String(r24kfx) Value(60)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r24kx) Value(60)
> +Enum(mips_arch_opt_value) String(24kx) Value(61) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(24kec) Value(61) Canonical
> +Enum(mips_arch_opt_value) String(r24kx) Value(61)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r24kec) Value(61)
> +Enum(mips_arch_opt_value) String(24kec) Value(62) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(24kef2_1) Value(62) Canonical
> +Enum(mips_arch_opt_value) String(r24kec) Value(62)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r24kef2_1) Value(62)
> +Enum(mips_arch_opt_value) String(24kef2_1) Value(63) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(24kef) Value(63) Canonical
> +Enum(mips_arch_opt_value) String(r24kef2_1) Value(63)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r24kef) Value(63)
> +Enum(mips_arch_opt_value) String(24kef) Value(64) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(24kef1_1) Value(64) Canonical
> +Enum(mips_arch_opt_value) String(r24kef) Value(64)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r24kef1_1) Value(64)
> +Enum(mips_arch_opt_value) String(24kef1_1) Value(65) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(24kefx) Value(65) Canonical
> +Enum(mips_arch_opt_value) String(r24kef1_1) Value(65)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r24kefx) Value(65)
> +Enum(mips_arch_opt_value) String(24kefx) Value(66) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(24kex) Value(66) Canonical
> +Enum(mips_arch_opt_value) String(r24kefx) Value(66)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r24kex) Value(66)
> +Enum(mips_arch_opt_value) String(24kex) Value(67) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(34kc) Value(67) Canonical
> +Enum(mips_arch_opt_value) String(r24kex) Value(67)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r34kc) Value(67)
> +Enum(mips_arch_opt_value) String(34kc) Value(68) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(34kf2_1) Value(68) Canonical
> +Enum(mips_arch_opt_value) String(r34kc) Value(68)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r34kf2_1) Value(68)
> +Enum(mips_arch_opt_value) String(34kf2_1) Value(69) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(34kf) Value(69) Canonical
> +Enum(mips_arch_opt_value) String(r34kf2_1) Value(69)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r34kf) Value(69)
> +Enum(mips_arch_opt_value) String(34kf) Value(70) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(34kf1_1) Value(70) Canonical
> +Enum(mips_arch_opt_value) String(r34kf) Value(70)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r34kf1_1) Value(70)
> +Enum(mips_arch_opt_value) String(34kf1_1) Value(71) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(34kfx) Value(71) Canonical
> +Enum(mips_arch_opt_value) String(r34kf1_1) Value(71)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r34kfx) Value(71)
> +Enum(mips_arch_opt_value) String(34kfx) Value(72) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(34kx) Value(72) Canonical
> +Enum(mips_arch_opt_value) String(r34kfx) Value(72)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r34kx) Value(72)
> +Enum(mips_arch_opt_value) String(34kx) Value(73) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(34kn) Value(73) Canonical
> +Enum(mips_arch_opt_value) String(r34kx) Value(73)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r34kn) Value(73)
> +Enum(mips_arch_opt_value) String(34kn) Value(74) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(74kc) Value(74) Canonical
> +Enum(mips_arch_opt_value) String(r34kn) Value(74)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r74kc) Value(74)
> +Enum(mips_arch_opt_value) String(74kc) Value(75) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(74kf2_1) Value(75) Canonical
> +Enum(mips_arch_opt_value) String(r74kc) Value(75)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r74kf2_1) Value(75)
> +Enum(mips_arch_opt_value) String(74kf2_1) Value(76) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(74kf) Value(76) Canonical
> +Enum(mips_arch_opt_value) String(r74kf2_1) Value(76)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r74kf) Value(76)
> +Enum(mips_arch_opt_value) String(74kf) Value(77) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(74kf1_1) Value(77) Canonical
> +Enum(mips_arch_opt_value) String(r74kf) Value(77)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r74kf1_1) Value(77)
> +Enum(mips_arch_opt_value) String(74kf1_1) Value(78) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(74kfx) Value(78) Canonical
> +Enum(mips_arch_opt_value) String(r74kf1_1) Value(78)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r74kfx) Value(78)
> +Enum(mips_arch_opt_value) String(74kfx) Value(79) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(74kx) Value(79) Canonical
> +Enum(mips_arch_opt_value) String(r74kfx) Value(79)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r74kx) Value(79)
> +Enum(mips_arch_opt_value) String(74kx) Value(80) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(74kf3_2) Value(80) Canonical
> +Enum(mips_arch_opt_value) String(r74kx) Value(80)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r74kf3_2) Value(80)
> +Enum(mips_arch_opt_value) String(74kf3_2) Value(81) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(1004kc) Value(81) Canonical
> +Enum(mips_arch_opt_value) String(r74kf3_2) Value(81)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r1004kc) Value(81)
> +Enum(mips_arch_opt_value) String(1004kc) Value(82) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(1004kf2_1) Value(82) Canonical
> +Enum(mips_arch_opt_value) String(r1004kc) Value(82)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r1004kf2_1) Value(82)
> +Enum(mips_arch_opt_value) String(1004kf2_1) Value(83) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(1004kf) Value(83) Canonical
> +Enum(mips_arch_opt_value) String(r1004kf2_1) Value(83)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r1004kf) Value(83)
> +Enum(mips_arch_opt_value) String(1004kf) Value(84) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(1004kf1_1) Value(84) Canonical
> +Enum(mips_arch_opt_value) String(r1004kf) Value(84)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r1004kf1_1) Value(84)
> +Enum(mips_arch_opt_value) String(1004kf1_1) Value(85) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(interaptiv) Value(85) Canonical
> +Enum(mips_arch_opt_value) String(r1004kf1_1) Value(85)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(p5600) Value(86) Canonical
> +Enum(mips_arch_opt_value) String(interaptiv) Value(86) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(m5100) Value(87) Canonical
> +Enum(mips_arch_opt_value) String(p5600) Value(87) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(m5101) Value(88) Canonical
> +Enum(mips_arch_opt_value) String(m5100) Value(88) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(5kc) Value(89) Canonical
> +Enum(mips_arch_opt_value) String(m5101) Value(89) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r5kc) Value(89)
> +Enum(mips_arch_opt_value) String(5kc) Value(90) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(5kf) Value(90) Canonical
> +Enum(mips_arch_opt_value) String(r5kc) Value(90)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r5kf) Value(90)
> +Enum(mips_arch_opt_value) String(5kf) Value(91) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(20kc) Value(91) Canonical
> +Enum(mips_arch_opt_value) String(r5kf) Value(91)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(r20kc) Value(91)
> +Enum(mips_arch_opt_value) String(20kc) Value(92) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(sb1) Value(92) Canonical
> +Enum(mips_arch_opt_value) String(r20kc) Value(92)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(sb1a) Value(93) Canonical
> +Enum(mips_arch_opt_value) String(sb1) Value(93) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(sr71000) Value(94) Canonical
> +Enum(mips_arch_opt_value) String(sb1a) Value(94) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(sr71k) Value(94)
> +Enum(mips_arch_opt_value) String(sr71000) Value(95) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(xlr) Value(95) Canonical
> +Enum(mips_arch_opt_value) String(sr71k) Value(95)
>
> EnumValue
> -Enum(mips_arch_opt_value) String(loongson3a) Value(96) Canonical
> +Enum(mips_arch_opt_value) String(xlr) Value(96) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(gs464) Value(97) Canonical
> +Enum(mips_arch_opt_value) String(loongson3a) Value(97) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(gs464e) Value(98) Canonical
> +Enum(mips_arch_opt_value) String(gs464) Value(98) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(gs264e) Value(99) Canonical
> +Enum(mips_arch_opt_value) String(gs464e) Value(99) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(octeon) Value(100) Canonical
> +Enum(mips_arch_opt_value) String(gs264e) Value(100) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(octeon+) Value(101) Canonical
> +Enum(mips_arch_opt_value) String(octeon) Value(101) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(octeon2) Value(102) Canonical
> +Enum(mips_arch_opt_value) String(octeon+) Value(102) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(octeon3) Value(103) Canonical
> +Enum(mips_arch_opt_value) String(octeon2) Value(103) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(xlp) Value(104) Canonical
> +Enum(mips_arch_opt_value) String(octeon3) Value(104) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(i6400) Value(105) Canonical
> +Enum(mips_arch_opt_value) String(xlp) Value(105) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(i6500) Value(106) Canonical
> +Enum(mips_arch_opt_value) String(i6400) Value(106) Canonical
>
> EnumValue
> -Enum(mips_arch_opt_value) String(p6600) Value(107) Canonical
> +Enum(mips_arch_opt_value) String(i6500) Value(107) Canonical
> +
> +EnumValue
> +Enum(mips_arch_opt_value) String(p6600) Value(108) Canonical
>
> diff --git a/gcc/config/mips/mips.cc b/gcc/config/mips/mips.cc
> index 81eaa3cfb2a..0be9e05dbd4 100644
> --- a/gcc/config/mips/mips.cc
> +++ b/gcc/config/mips/mips.cc
> @@ -915,6 +915,20 @@ static const struct mips_rtx_cost_data
> 2, /* branch_cost */
> 6 /* memory_latency */
> },
> + { /* Allegrex */
> + /* Has hard-float support for single precision only. */
> + COSTS_N_INSNS (5), /* fp_add */
> + COSTS_N_INSNS (5), /* fp_mult_sf */
> + COSTS_N_INSNS (256), /* fp_mult_df */
> + COSTS_N_INSNS (30), /* fp_div_sf */
> + COSTS_N_INSNS (256), /* fp_div_df */
> + COSTS_N_INSNS (7) , /* int_mult_si */
> + COSTS_N_INSNS (27), /* int_mult_di */
> + COSTS_N_INSNS (21), /* int_div_si */
> + COSTS_N_INSNS (256), /* int_div_di */
> + 2, /* branch_cost */
> + 4 /* memory_latency */
> + },
> { /* R4000 */
> COSTS_N_INSNS (6), /* fp_add */
> COSTS_N_INSNS (7), /* fp_mult_sf */
> diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
> index e224ade2a1a..5b224b7ae0e 100644
> --- a/gcc/config/mips/mips.h
> +++ b/gcc/config/mips/mips.h
> @@ -291,6 +291,7 @@ struct mips_cpu_info {
> #define ISA_MIPS64R6 (mips_isa == MIPS_ISA_MIPS64R6)
>
> /* Architecture target defines. */
> +#define TARGET_ALLEGREX (mips_arch == PROCESSOR_ALLEGREX)
> #define TARGET_LOONGSON_2E (mips_arch == PROCESSOR_LOONGSON_2E)
> #define TARGET_LOONGSON_2F (mips_arch == PROCESSOR_LOONGSON_2F)
> #define TARGET_LOONGSON_2EF (TARGET_LOONGSON_2E ||
> TARGET_LOONGSON_2F)
> @@ -326,6 +327,7 @@ struct mips_cpu_info {
> || mips_tune == PROCESSOR_74KF2_1 \
> || mips_tune == PROCESSOR_74KF1_1 \
> || mips_tune == PROCESSOR_74KF3_2)
> +#define TUNE_ALLEGREX (mips_tune == PROCESSOR_ALLEGREX)
> #define TUNE_LOONGSON_2EF (mips_tune == PROCESSOR_LOONGSON_2E
> \
> || mips_tune == PROCESSOR_LOONGSON_2F)
> #define TUNE_GS464 (mips_tune == PROCESSOR_GS464)
> @@ -1091,12 +1093,14 @@ struct mips_cpu_info {
> /* ISA has the integer conditional move instructions introduced in mips4 and
> ST Loongson 2E/2F. */
> #define ISA_HAS_CONDMOVE (ISA_HAS_FP_CONDMOVE \
> + || TARGET_ALLEGREX \
> || TARGET_MIPS5900 \
> || ISA_HAS_MIPS16E2 \
> || TARGET_LOONGSON_2EF)
>
> /* ISA has LDC1 and SDC1. */
> #define ISA_HAS_LDC1_SDC1 (!ISA_MIPS1 \
> + && !TARGET_ALLEGREX \
> && !TARGET_MIPS5900 \
> && !TARGET_MIPS16)
>
> @@ -1135,11 +1139,13 @@ struct mips_cpu_info {
>
> /* ISA has conditional trap instructions. */
> #define ISA_HAS_COND_TRAP (!ISA_MIPS1 \
> + && !TARGET_ALLEGREX \
> && !TARGET_MIPS16)
>
> /* ISA has conditional trap with immediate instructions. */
> #define ISA_HAS_COND_TRAPI (!ISA_MIPS1 \
> && mips_isa_rev <= 5 \
> + && !TARGET_ALLEGREX \
> && !TARGET_MIPS16)
>
> /* ISA has integer multiply-accumulate instructions, madd and msub. */
> @@ -1199,7 +1205,8 @@ struct mips_cpu_info {
> #define ISA_HAS_IEEE_754_2008 (mips_isa_rev >= 2)
>
> /* ISA has count leading zeroes/ones instruction (not implemented). */
> -#define ISA_HAS_CLZ_CLO (mips_isa_rev >= 1 && !TARGET_MIPS16)
> +#define ISA_HAS_CLZ_CLO ((mips_isa_rev >= 1 &&
> !TARGET_MIPS16) \
> + || TARGET_ALLEGREX)
>
> /* ISA has count trailing zeroes/ones instruction. */
> #define ISA_HAS_CTZ_CTO (TARGET_LOONGSON_EXT2)
> @@ -1241,6 +1248,7 @@ struct mips_cpu_info {
>
> /* ISA has the "ror" (rotate right) instructions. */
> #define ISA_HAS_ROR ((mips_isa_rev >= 2 \
> + || TARGET_ALLEGREX \
> || TARGET_MIPS5400 \
> || TARGET_MIPS5500 \
> || TARGET_SR71K \
> @@ -1249,7 +1257,8 @@ struct mips_cpu_info {
>
> /* ISA has the WSBH (word swap bytes within halfwords) instruction.
> 64-bit targets also provide DSBH and DSHD. */
> -#define ISA_HAS_WSBH (mips_isa_rev >= 2 && !TARGET_MIPS16)
> +#define ISA_HAS_WSBH ((mips_isa_rev >= 2 && !TARGET_MIPS16) \
> + || TARGET_ALLEGREX)
>
> /* ISA has data prefetch instructions. This controls use of 'pref'. */
> #define ISA_HAS_PREFETCH ((ISA_MIPS4 \
> @@ -1282,11 +1291,13 @@ struct mips_cpu_info {
> #define ISA_HAS_TRUNC_W (!ISA_MIPS1)
>
> /* ISA includes the MIPS32r2 seb and seh instructions. */
> -#define ISA_HAS_SEB_SEH (mips_isa_rev >= 2 && !TARGET_MIPS16)
> +#define ISA_HAS_SEB_SEH ((mips_isa_rev >= 2 &&
> !TARGET_MIPS16) \
> + || TARGET_ALLEGREX)
>
> /* ISA includes the MIPS32/64 rev 2 ext and ins instructions. */
> #define ISA_HAS_EXT_INS ((mips_isa_rev >= 2 &&
> !TARGET_MIPS16) \
> - || ISA_HAS_MIPS16E2)
> + || ISA_HAS_MIPS16E2 \
> + || TARGET_ALLEGREX)
>
> /* ISA has instructions for accessing top part of 64-bit fp regs. */
> #define ISA_HAS_MXHC1 (!TARGET_FLOAT32 \
> @@ -1330,6 +1341,7 @@ struct mips_cpu_info {
>
> /* Likewise mtc1 and mfc1. */
> #define ISA_HAS_XFER_DELAY (mips_isa <= MIPS_ISA_MIPS3 \
> + && !TARGET_ALLEGREX \
> && !TARGET_MIPS5900 \
> && !TARGET_LOONGSON_2EF)
>
> @@ -1351,6 +1363,7 @@ struct mips_cpu_info {
> earlier-ISA CPUs for which CPU documentation declares that the
> instructions are really interlocked. */
> #define ISA_HAS_HILO_INTERLOCKS (mips_isa_rev >= 1
> \
> + || TARGET_ALLEGREX \
> || TARGET_MIPS5500 \
> || TARGET_MIPS5900 \
> || TARGET_LOONGSON_2EF)
> diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md
> index aadf4dd676e..79155957b2f 100644
> --- a/gcc/config/mips/mips.md
> +++ b/gcc/config/mips/mips.md
> @@ -46,6 +46,7 @@
> octeon3
> r3900
> r6000
> + allegrex
> r4000
> r4100
> r4111
> @@ -835,9 +836,11 @@
> ;; conditional-move-type condition is needed.
> (define_mode_iterator MOVECC [SI (DI "TARGET_64BIT")
> (CC "TARGET_HARD_FLOAT
> + && !TARGET_ALLEGREX
> && !TARGET_LOONGSON_2EF
> && !TARGET_MIPS5900")
> (CCE "TARGET_HARD_FLOAT
> + && !TARGET_ALLEGREX
> && !TARGET_LOONGSON_2EF
> && !TARGET_MIPS5900")])
>
> diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> index 28466c449b9..fc4c61c1922 100644
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -29371,6 +29371,7 @@ The processor names are:
> @samp{vr4100}, @samp{vr4111}, @samp{vr4120}, @samp{vr4130}, @samp{vr4300},
> @samp{vr5000}, @samp{vr5400}, @samp{vr5500},
> @samp{xlr} and @samp{xlp}.
> +@samp{allegrex},
> The special value @samp{from-abi} selects the
> most compatible architecture for the selected ABI (that is,
> @samp{mips1} for 32-bit ABIs and @samp{mips3} for 64-bit ABIs)@.
> --
> 2.50.0
>
