+2009-06-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
+ (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
+ (ix86_handle_option): Handle OPT_mcrc32.
+ (ix86_target_string): Add -mcrc32.
+ (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
+
+ * config/i386/i386.h (TARGET_CRC32): New.
+
+ * config/i386/i386.md (sse4_2_crc32<mode>): Also check
+ TARGET_CRC32.
+ (sse4_2_crc32di): Likewise.
+
+ * config/i386/i386.opt (mcrc32: New.
+
+ * doc/invoke.texi: Document -mcrc32.
+
2009-06-11 Richard Henderson <rth@redhat.com>
- * common.opt (gdwarf-): Accept a version number.
+ * common.opt (gdwarf-): Accept a version number.
* doc/invoke.texi (gdwarf-): Update docs.
* opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
* opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
2009-06-09 Ghassan Shobaki <ghassan.shobaki@amd.com>
- * tree-ssa-loop-prefetch.c
- (loop_prefetch_arrays): Fixed a portability problem in printf format
- string.
+ * tree-ssa-loop-prefetch.c
+ (loop_prefetch_arrays): Fixed a portability problem in printf format
+ string.
2009-06-09 Martin Jambor <mjambor@suse.cz>
compute_builtin_object_size.
2009-06-08 Ghassan Shobaki <ghassan.shobaki@amd.com>
- Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+ Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
* tree-ssa-loop-prefetch.c
(gather_memory_references): Introduced a counter for the number of
#define OPTION_MASK_ISA_CX16_SET OPTION_MASK_ISA_CX16
#define OPTION_MASK_ISA_SAHF_SET OPTION_MASK_ISA_SAHF
#define OPTION_MASK_ISA_MOVBE_SET OPTION_MASK_ISA_MOVBE
+#define OPTION_MASK_ISA_CRC32_SET OPTION_MASK_ISA_CRC32
/* Define a set of ISAs which aren't available when a given ISA is
disabled. MMX and SSE ISAs are handled separately. */
#define OPTION_MASK_ISA_CX16_UNSET OPTION_MASK_ISA_CX16
#define OPTION_MASK_ISA_SAHF_UNSET OPTION_MASK_ISA_SAHF
#define OPTION_MASK_ISA_MOVBE_UNSET OPTION_MASK_ISA_MOVBE
+#define OPTION_MASK_ISA_CRC32_UNSET OPTION_MASK_ISA_CRC32
/* Vectorization library interface and handlers. */
tree (*ix86_veclib_handler)(enum built_in_function, tree, tree) = NULL;
}
return true;
+ case OPT_mcrc32:
+ if (value)
+ {
+ ix86_isa_flags |= OPTION_MASK_ISA_CRC32_SET;
+ ix86_isa_flags_explicit |= OPTION_MASK_ISA_CRC32_SET;
+ }
+ else
+ {
+ ix86_isa_flags &= ~OPTION_MASK_ISA_CRC32_UNSET;
+ ix86_isa_flags_explicit |= OPTION_MASK_ISA_CRC32_UNSET;
+ }
+ return true;
+
case OPT_maes:
if (value)
{
{ "-mabm", OPTION_MASK_ISA_ABM },
{ "-mpopcnt", OPTION_MASK_ISA_POPCNT },
{ "-mmovbe", OPTION_MASK_ISA_MOVBE },
+ { "-mcrc32", OPTION_MASK_ISA_CRC32 },
{ "-maes", OPTION_MASK_ISA_AES },
{ "-mpclmul", OPTION_MASK_ISA_PCLMUL },
};
/* SSE4.2 */
{ OPTION_MASK_ISA_SSE4_2, CODE_FOR_sse4_2_gtv2di3, "__builtin_ia32_pcmpgtq", IX86_BUILTIN_PCMPGTQ, UNKNOWN, (int) V2DI_FTYPE_V2DI_V2DI },
- { OPTION_MASK_ISA_SSE4_2, CODE_FOR_sse4_2_crc32qi, "__builtin_ia32_crc32qi", IX86_BUILTIN_CRC32QI, UNKNOWN, (int) UINT_FTYPE_UINT_UCHAR },
- { OPTION_MASK_ISA_SSE4_2, CODE_FOR_sse4_2_crc32hi, "__builtin_ia32_crc32hi", IX86_BUILTIN_CRC32HI, UNKNOWN, (int) UINT_FTYPE_UINT_USHORT },
- { OPTION_MASK_ISA_SSE4_2, CODE_FOR_sse4_2_crc32si, "__builtin_ia32_crc32si", IX86_BUILTIN_CRC32SI, UNKNOWN, (int) UINT_FTYPE_UINT_UINT },
- { OPTION_MASK_ISA_SSE4_2 | OPTION_MASK_ISA_64BIT, CODE_FOR_sse4_2_crc32di, "__builtin_ia32_crc32di", IX86_BUILTIN_CRC32DI, UNKNOWN, (int) UINT64_FTYPE_UINT64_UINT64 },
+ { OPTION_MASK_ISA_SSE4_2 | OPTION_MASK_ISA_CRC32, CODE_FOR_sse4_2_crc32qi, "__builtin_ia32_crc32qi", IX86_BUILTIN_CRC32QI, UNKNOWN, (int) UINT_FTYPE_UINT_UCHAR },
+ { OPTION_MASK_ISA_SSE4_2 | OPTION_MASK_ISA_CRC32, CODE_FOR_sse4_2_crc32hi, "__builtin_ia32_crc32hi", IX86_BUILTIN_CRC32HI, UNKNOWN, (int) UINT_FTYPE_UINT_USHORT },
+ { OPTION_MASK_ISA_SSE4_2 | OPTION_MASK_ISA_CRC32, CODE_FOR_sse4_2_crc32si, "__builtin_ia32_crc32si", IX86_BUILTIN_CRC32SI, UNKNOWN, (int) UINT_FTYPE_UINT_UINT },
+ { OPTION_MASK_ISA_SSE4_2 | OPTION_MASK_ISA_CRC32 | OPTION_MASK_ISA_64BIT, CODE_FOR_sse4_2_crc32di, "__builtin_ia32_crc32di", IX86_BUILTIN_CRC32DI, UNKNOWN, (int) UINT64_FTYPE_UINT64_UINT64 },
/* SSE4A */
{ OPTION_MASK_ISA_SSE4A, CODE_FOR_sse4a_extrqi, "__builtin_ia32_extrqi", IX86_BUILTIN_EXTRQI, UNKNOWN, (int) V2DI_FTYPE_V2DI_UINT_UINT },
#define TARGET_POPCNT OPTION_ISA_POPCNT
#define TARGET_SAHF OPTION_ISA_SAHF
#define TARGET_MOVBE OPTION_ISA_MOVBE
+#define TARGET_CRC32 OPTION_ISA_CRC32
#define TARGET_AES OPTION_ISA_AES
#define TARGET_PCLMUL OPTION_ISA_PCLMUL
#define TARGET_CMPXCHG16B OPTION_ISA_CX16
[(match_operand:SI 1 "register_operand" "0")
(match_operand:CRC32MODE 2 "nonimmediate_operand" "<crc32modeconstraint>")]
UNSPEC_CRC32))]
- "TARGET_SSE4_2"
+ "TARGET_SSE4_2 || TARGET_CRC32"
"crc32<crc32modesuffix>\t{%2, %0|%0, %2}"
[(set_attr "type" "sselog1")
(set_attr "prefix_rep" "1")
[(match_operand:DI 1 "register_operand" "0")
(match_operand:DI 2 "nonimmediate_operand" "rm")]
UNSPEC_CRC32))]
- "TARGET_SSE4_2 && TARGET_64BIT"
+ "TARGET_64BIT && (TARGET_SSE4_2 || TARGET_CRC32)"
"crc32q\t{%2, %0|%0, %2}"
[(set_attr "type" "sselog1")
(set_attr "prefix_rep" "1")
Target Report Mask(ISA_MOVBE) Var(ix86_isa_flags) VarExists Save
Support code generation of movbe instruction.
+mcrc32
+Target Report Mask(ISA_CRC32) Var(ix86_isa_flags) VarExists Save
+Support code generation of crc32 instruction.
+
maes
Target Report Mask(ISA_AES) Var(ix86_isa_flags) VarExists Save
Support AES built-in functions and code generation
-mno-wide-multiply -mrtd -malign-double @gol
-mpreferred-stack-boundary=@var{num}
-mincoming-stack-boundary=@var{num}
--mcld -mcx16 -msahf -mmovbe -mrecip @gol
+-mcld -mcx16 -msahf -mmovbe -mcrc32 -mrecip @gol
-mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -msse4 -mavx @gol
-maes -mpclmul @gol
-msse4a -m3dnow -mpopcnt -mabm -msse5 @gol
This option will enable GCC to use movbe instruction to implement
@code{__builtin_bswap32} and @code{__builtin_bswap64}.
+@item -mcrc32
+@opindex mcrc32
+This option will enable built-in functions, @code{__builtin_ia32_crc32qi},
+@code{__builtin_ia32_crc32hi}. @code{__builtin_ia32_crc32si} and
+@code{__builtin_ia32_crc32di} to generate the crc32 machine instruction.
+
@item -mrecip
@opindex mrecip
This option will enable GCC to use RCPSS and RSQRTSS instructions (and their
+2009-06-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * gcc.target/i386/crc32-1.c: New.
+ * gcc.target/i386/crc32-2.c: Likewise.
+
2009-06-11 David Daney <ddaney@caviumnetworks.com>
PR c/39252
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -mcrc32" } */
+/* { dg-final { scan-assembler "crc32b\[^\\n\]*eax" } } */
+/* { dg-final { scan-assembler "crc32w\[^\\n\]*eax" } } */
+/* { dg-final { scan-assembler "crc32l\[^\\n\]*eax" } } */
+
+unsigned int
+crc32b (unsigned int x, unsigned char y)
+{
+ return __builtin_ia32_crc32qi (x, y);
+}
+
+unsigned int
+crc32w (unsigned int x, unsigned short y)
+{
+ return __builtin_ia32_crc32hi (x, y);
+}
+
+unsigned int
+crc32d (unsigned int x, unsigned int y)
+{
+ return __builtin_ia32_crc32si (x, y);
+}
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -mcrc32" } */
+/* { dg-final { scan-assembler "crc32q\[^\\n\]*rax" { target lp64 } } } */
+
+unsigned long long
+crc32d (unsigned long long x, unsigned long long y)
+{
+ return __builtin_ia32_crc32di (x, y);
+}