This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: PATCH: Add SSE4.2 support

On 5/31/07, H. J. Lu <hjl@lucon.org> wrote:

2007-05-30 H.J. Lu <hongjiu.lu@intel.com>

        * config.gcc (i[34567]86-*-*): Add nmmintrin.h to
        extra_headers.
        (x86_64-*-*): Likewise.

        * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
        (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
        (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4): Likewise.
        (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
        (ix86_handle_option): Use OPTION_MASK_ISA_XXX_UNSET.  Handle
        SSE4.2.

Please say here OPTION_MASK_ISA_*_UNSET.

        (override_options): Support SSE4.2.
        (ix86_expand_int_vcond): Support V2DImode.
        (IX86_BUILTIN_CRC32QI): New for SSE4.2.
        (IX86_BUILTIN_CRC32HI): Likewise.
        (IX86_BUILTIN_CRC32SI): Likewise.
        (IX86_BUILTIN_CRC32DI): Likewise.
        (IX86_BUILTIN_PCMPGTQ): Likewise.
        (bdesc_crc32): Likewise.
        (bdesc_sse_3arg): Likewise.
        (ix86_expand_crc32): Likewise.
        (ix86_init_mmx_sse_builtins): Support SSE4.2.
        (ix86_expand_builtin): Likewise.

        * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
        __SSE4_2__ for -msse4.2.

        * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
        (CRC32MODE): Likewise.
        (crc32modesuffix): Likewise.
        (crc32modeconstraint): Likewise.
        (sse4_2_crc32<mode>): Likewise.
        (sse4_2_crc32di): Likewise.

        * config/i386/i386.opt (msse4.2): New for SSE4.2.
        (msse4): Likewise.

        * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header
        file.

* config/i386/smmintrin.h: Add SSE4.2 intrinsics.

        * config/i386/sse.md (sse4_2_gtv2di3): New pattern for
        SSE4.2.
        (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
        (vcondu<mode>): Likewise.

* doc/extend.texi: Document SSE4.2 built-in functions.

* doc/invoke.texi: Document -msse4.2/-msse4. 

+           /* Extract the original sign bit of op0.  */
+           mask = GEN_INT (-0x8000000000000000LL);


I'm not sure that this 64bit mask can be generated with 32bit HWI
(32bit host)...?

Other than that, the patch is OK for mainline.

Thanks,
Uros.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]