* config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
(prefix_rex): For UNIT_MMX don't imply the prefix by default
if MODE_DI.
(prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
to 1 for TYPE_SSE{IADD1,CVT1}.
(prefix_vex_imm8): Removed.
(length_vex): Only pass 1 as second argument to
ix86_attr_length_vex_default if prefix_extra is 0.
(modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
(length): For prefix vex computation use length_immediate
attribute instead of prefix_vex_imm8.
(cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
*andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
*xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
(extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
*extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
a space in between the operands.
(*anddi_1_rex64, *andsi_1): Likewise. Override prefix_rex to 1
if one operand is 0xff and the other one si, di, bp or sp.
(*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
other one si, di, bp or sp.
(*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
(*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
type and mode attributes.
(*bsr, *bsr_rex64, *bsrhi): Add type attribute.
(*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
(*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
prefix_data16 attribute iff MODE_DF.
(*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
(fix_trunc<mode>di_sse): Set prefix_rex attribute.
(*adddi_4_rex64, *addsi_4): Use const128_operand instead of
constm128_operand in length_immediate computation.
(*addhi_4): Likewise. Fix mode attribute to MODE_HI.
(anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
(*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
length_immediate attribute to 1.
(x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
(*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
for certain alternatives.
(*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
prefix_data16 attribute if MODE_V1DF.
(*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
length_immediate to 1.
(set_got_rex64, set_rip_rex64): Remove length attribute, set
length_address to 4, set mode attribute to MODE_DI.
(set_got_offset_rex64): Likewise. Set length_immediate to 0.
(fxam<mode>2_i387): Set length attribute to 4.
(*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
*prefetch_3dnow_rex): Override length_address attribute.
(sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
attributes.
* config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
(constm128_operand): Removed.
* config/i386/i386.c (memory_address_length): For
disp && !index && !base in 64-bit mode account for SIB byte if
print_operand_address can't optimize disp32 into disp32(%rip)
and UNSPEC doesn't imply (%rip) addressing. Add 1 to length
for fs: or gs: segment.
(ix86_attr_length_immediate_default): When checking if shortform
is possible, truncate immediate to the length of the non-shortened
immediate.
(ix86_attr_length_address_default): Ignore MEM_P operands
with X constraint.
(ix86_attr_length_vex_default): Only check for DImode on
GENERAL_REG_P operands.
* config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
(sse_cvttps2pi): Clear prefix_rep attribute.
(sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
attribute.
(*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
(*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
*avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
iff operand 2 is const_int_operand.
(*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
sse2_shufpd_<mode>): Set length_immediate attribute to 1.
(sse2_pshufd_1): Likewise. Set prefix attribute to maybe_vex
instead of vex.
(sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
prefix_data16.
(sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
prefix_data16 attribute for movlpd and movhpd instructions.
(sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise. Override
length_immediate for shufpd instruction.
(sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
(avx_cmpp<avxmodesuffixf2c><mode>3,
avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
<sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
*vec_dupv4sf_avx, *vec_dupv4sf): Set
length_immediate attribute to 1.
(*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
(sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
(sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
prefix_data16 attribute for the first alternative to 1.
(*avx_loadlps): Override length_immediate for the first alternative.
(*vec_concatv2sf_avx): Override length_immediate and prefix_extra
attributes for second alternative.
(*vec_concatv2sf_sse4_1): Override length_immediate and
prefix_data16 attributes for second alternative.
(*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
vec_extract_hi_<mode>, vec_extract_lo_v16hi,
vec_extract_hi_v16hi, vec_extract_lo_v32qi,
vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
(*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
prefix_data16 and length_immediate to 1.
(*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
to 1.
(*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
prefix_extra attribute for variants that don't have 0f prefix
alone.
(*avx_pinsr<ssevecsize>): Likewise. Set length_immediate to 1.
(*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
*sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
*sse4_1_pextrd): Set length_immediate to 1.
(*sse4_1_pinsrd): Likewise. Set prefix_extra to 1.
(*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
to 1.
(*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
*vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
length_immediate to 1 for second alternative.
(*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
prefix_extra and length_immediate attributes for the first
alternative.
(vec_concatv2si_sse4_1): Override length_immediate to 1 for the
first alternative.
(*vec_concatv2di_rex64_sse4_1): Likewise. Override prefix_rex
to 1 for the first and third alternative.
(*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
alternative.
(*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
attribute.
(*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
attribute to 0.
(*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
*avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
*avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
*avx_psign<mode>3): Set prefix_extra attribute to 1.
(ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
ssse3_psign<mode>3): Override prefix_rex attribute.
(*avx_palignrti): Override prefix_extra and length_immediate
to 1.
(ssse3_palignrti): Override length_immediate to 1.
(ssse3_palignrdi): Override length_immediate to 1, override
prefix_rex attribute.
(abs<mode>2): Override prefix_rep to 0, override prefix_rex
attribute.
(sse4a_extrqi): Override length_immediate to 2.
(sse4a_insertqi): Likewise. Override prefix_data16 to 0.
(sse4a_insertq): Override prefix_data16 to 0.
(avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
*avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
and length_immediate to 1.
(sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
and length_immediate to 1.
(sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
(sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
(*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
avx_ptest256): Override prefix_extra to 1.
(sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
Override prefix_data16 and length_immediate to 1.
(sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
prefix_data16 to 0 and prefix_extra to 2.
(sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
(sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
attribute.
(*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
Override prefix_data16 and prefix_rep to 0, length_immediate to 1
and prefix_extra to 2.
(sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
(*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
avx_vpermilvar<mode>3,
avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
Override prefix_extra to 1.
(aeskeygenassist, pclmulqdq): Override length_immediate to 1.
(*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
prefix_extra and length_immediate to 1.
(*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
modrm to 0.
(*vec_concat<mode>_avx): Override prefix_extra and length_immediate
to 1 for the first alternative.
* config/i386/mmx.md (*mov<mode>_internal_rex64): Override
prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
cases.
(*mov<mode>_internal_avx, *movv2sf_internal_rex64,
*movv2sf_internal_avx, *movv2sf_internal): Override
prefix_rep attribute for certain alternatives.
(*mov<mode>_internal): Override prefix_rep or prefix_data16
attributes for certain alternatives.
(*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
attributes for certain alternatives.
(*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
*mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
*mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
mmx_pswapdv2si2): Set prefix_extra attribute to 1.
(mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
length_immediate to 1 if operand 2 is const_int_operand.
(*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
*vec_extractv2si_1): Set length_immediate
attribute to 1.
(*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
using old 3DNOW insn rather than SSE/3DNOW_A.
(mmx_emms, mmx_femms): Clear modrm attribute.
From-SVN: r147981
This directory contains the GNU Compiler Collection (GCC).
The GNU Compiler Collection is free software. See the file COPYING
for copying permission. The manuals, and some of the runtime
libraries, are under different terms; see the individual source files
for details.
The directory INSTALL contains copies of the installation information
as HTML and plain text. The source of this information is
gcc/doc/install.texi. The installation information includes details
of what is included in the GCC sources and what files GCC installs.
See the file gcc/doc/gcc.texi (together with other files that it
includes) for usage and porting information. An online readable
version of the manual is in the files gcc/doc/gcc.info*.
See http://gcc.gnu.org/bugs.html for how to report bugs usefully.
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