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| author | H.J. Lu <hjl.tools@gmail.com> | 2010-01-27 14:34:40 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2010-01-27 14:34:40 +0000 |
| commit | 539f890d013e8ad93b9183ea3ab3f7a6f82c892b (patch) | |
| tree | fae215b4e966c1d67609e030f383fd8f6f91537c /gas/doc | |
| parent | bf102f86b1adeb95ed022cb756b2617f674ea94f (diff) | |
| download | gdb-539f890d013e8ad93b9183ea3ab3f7a6f82c892b.zip gdb-539f890d013e8ad93b9183ea3ab3f7a6f82c892b.tar.gz gdb-539f890d013e8ad93b9183ea3ab3f7a6f82c892b.tar.bz2 | |
Allow VL=1 on AVX scalar instructions.
gas/
2010-01-27 H.J. Lu <hongjiu.lu@intel.com>
* config/tc-i386.c (avxscalar): New.
(OPTION_MAVXSCALAR): Likewise.
(build_vex_prefix): Select vector_length for scalar instructions
based on avxscalar.
(md_longopts): Add OPTION_MAVXSCALAR.
(md_parse_option): Handle OPTION_MAVXSCALAR.
(md_show_usage): Add -mavxscalar=.
* doc/c-i386.texi: Document -mavxscalar=.
gas/testsuite/
2010-01-27 H.J. Lu <hongjiu.lu@intel.com>
* gas/i386/avx-scalar-intel.d: New.
* gas/i386/avx-scalar.d: Likewise.
* gas/i386/avx-scalar.s: Likewise.
* gas/i386/x86-64-avx-scalar-intel.d: Likewise.
* gas/i386/x86-64-avx-scalar.d: Likewise.
* gas/i386/x86-64-avx-scalar.s: Likewise.
* gas/i386/i386.exp: Run avx-scalar, avx-scalar-intel,
x86-64-avx-scalar and x86-64-avx-scalar-intel.
opcodes/
2010-01-27 H.J. Lu <hongjiu.lu@intel.com>
* i386-dis.c (XMScalar): New.
(EXdScalar): Likewise.
(EXqScalar): Likewise.
(EXqScalarS): Likewise.
(VexScalar): Likewise.
(EXdVexScalarS): Likewise.
(EXqVexScalarS): Likewise.
(XMVexScalar): Likewise.
(scalar_mode): Likewise.
(d_scalar_mode): Likewise.
(d_scalar_swap_mode): Likewise.
(q_scalar_mode): Likewise.
(q_scalar_swap_mode): Likewise.
(vex_scalar_mode): Likewise.
(vex_len_table): Duplcate entries for VEX_LEN_10_P_1,
VEX_LEN_10_P_3, VEX_LEN_11_P_1, VEX_LEN_11_P_3, VEX_LEN_2A_P_1,
VEX_LEN_2A_P_3, VEX_LEN_2C_P_3, VEX_LEN_2D_P_1, VEX_LEN_2E_P_0,
VEX_LEN_2E_P_2, VEX_LEN_2F_P_2, VEX_LEN_51_P_1, VEX_LEN_51_P_3,
VEX_LEN_52_P_1, VEX_LEN_53_P_1, VEX_LEN_58_P_1, VEX_LEN_58_P_3,
VEX_LEN_59_P_1, VEX_LEN_5A_P_1, VEX_LEN_5A_P_3, VEX_LEN_5C_P_1,
VEX_LEN_5C_P_3, VEX_LEN_5D_P_1, VEX_LEN_5D_P_3, VEX_LEN_5E_P_1,
VEX_LEN_5E_P_3, VEX_LEN_5F_P_1, VEX_LEN_5F_P_3, VEX_LEN_6E_P_2,
VEX_LEN_7E_P_1, VEX_LEN_7E_P_2, VEX_LEN_D6_P_2, VEX_LEN_C2_P_1,
VEX_LEN_C2_P_3, VEX_LEN_3A0A_P_2 and VEX_LEN_3A0B_P_2.
(vex_w_table): Update entries for VEX_W_10_P_1, VEX_W_10_P_3,
VEX_W_11_P_1, VEX_W_11_P_3, VEX_W_2E_P_0, VEX_W_2E_P_2,
VEX_W_2F_P_0, VEX_W_2F_P_2, VEX_W_51_P_1, VEX_W_51_P_3,
VEX_W_52_P_1, VEX_W_53_P_1, VEX_W_58_P_1, VEX_W_58_P_3,
VEX_W_59_P_1, VEX_W_59_P_3, VEX_W_5A_P_1, VEX_W_5A_P_3,
VEX_W_5C_P_1, VEX_W_5C_P_3, VEX_W_5D_P_1, VEX_W_5D_P_3,
VEX_W_5E_P_1, VEX_W_5E_P_3, VEX_W_5F_P_1, VEX_W_5F_P_3,
VEX_W_7E_P_1, VEX_W_D6_P_2 VEX_W_C2_P_1, VEX_W_C2_P_3,
VEX_W_3A0A_P_2 and VEX_W_3A0B_P_2.
(intel_operand_size): Handle d_scalar_mode, d_scalar_swap_mode,
q_scalar_mode, q_scalar_swap_mode.
(OP_XMM): Handle scalar_mode.
(OP_EX): Handle d_scalar_mode, d_scalar_swap_mode, q_scalar_mode
and q_scalar_swap_mode.
(OP_VEX): Handle vex_scalar_mode.
Diffstat (limited to 'gas/doc')
| -rw-r--r-- | gas/doc/c-i386.texi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi index 4a9f661..e657ab3 100644 --- a/gas/doc/c-i386.texi +++ b/gas/doc/c-i386.texi @@ -189,6 +189,16 @@ will make the assembler issue a warning for any SSE intruction. @option{-msse-check=@var{error}} will make the assembler issue an error for any SSE intruction. +@cindex @samp{-mavxscalar=} option, i386 +@cindex @samp{-mavxscalar=} option, x86-64 +@item -mavxscalar=@var{128} +@item -mavxscalar=@var{256} +This options control how the assembler should encode scalar AVX +instructions. @option{-mavxscalar=@var{128}} will encode scalar +AVX instructions with 128bit vector length, which is the default. +@option{-mavxscalar=@var{256}} will encode scalar AVX instructions +with 256bit vector length. + @cindex @samp{-mmnemonic=} option, i386 @cindex @samp{-mmnemonic=} option, x86-64 @item -mmnemonic=@var{att} |