diff options
author | Jan Beulich <jbeulich@novell.com> | 2018-11-06 11:44:31 +0100 |
---|---|---|
committer | Jan Beulich <jbeulich@suse.com> | 2018-11-06 11:44:31 +0100 |
commit | 58a211d2602df0a39779c84a344b1b4d12deb2d0 (patch) | |
tree | 03e169e34b28bf06b8152e3364fcc21fc74a22f4 | |
parent | b50c9f31661be05bcd73fb1158e02f606e696948 (diff) | |
download | gdb-58a211d2602df0a39779c84a344b1b4d12deb2d0.zip gdb-58a211d2602df0a39779c84a344b1b4d12deb2d0.tar.gz gdb-58a211d2602df0a39779c84a344b1b4d12deb2d0.tar.bz2 |
x86: correctly handle KMOVD with VEX.W set outside of 64-bit mode
For the flavors having a GPR operand VEX.W is ignored outside of 64-bit
mode. The mnemonic should therefore not be KMOVQ.
-rw-r--r-- | gas/ChangeLog | 5 | ||||
-rw-r--r-- | gas/testsuite/gas/i386/avx-wig.d | 2 | ||||
-rw-r--r-- | gas/testsuite/gas/i386/avx-wig.s | 2 | ||||
-rw-r--r-- | opcodes/ChangeLog | 9 | ||||
-rw-r--r-- | opcodes/i386-dis.c | 40 |
5 files changed, 26 insertions, 32 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index d1170e6..967f6bc 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,10 @@ 2018-11-06 Jan Beulich <jbeulich@suse.com> + * testsuite/gas/i386/avx-wig.s: Add kmovd cases. + * testsuite/gas/i386/avx-wig.d: Adjust expectations. + +2018-11-06 Jan Beulich <jbeulich@suse.com> + * testsuite/gas/i386/avx-wig.s, testsuite/gas/i386/x86-64-avx-wig.s: Add vpextrb, vpextrw, vpinsrb, and vpinsrw cases. diff --git a/gas/testsuite/gas/i386/avx-wig.d b/gas/testsuite/gas/i386/avx-wig.d index c724d09..7a8f947 100644 --- a/gas/testsuite/gas/i386/avx-wig.d +++ b/gas/testsuite/gas/i386/avx-wig.d @@ -22,6 +22,8 @@ Disassembly of section .text: +[a-f0-9]+: c4 e2 f8 f3 10 blsmsk \(%eax\),%eax +[a-f0-9]+: c4 e2 f8 f3 08 blsr \(%eax\),%eax +[a-f0-9]+: c4 e2 f8 f5 00 bzhi %eax,\(%eax\),%eax + +[a-f0-9]+: c4 e1 fb 92 c0 kmovd %eax,%k0 + +[a-f0-9]+: c4 e1 fb 93 c0 kmovd %k0,%eax +[a-f0-9]+: 8f e9 f8 12 c0 llwpcb %eax +[a-f0-9]+: 8f ea f8 12 00 00 00 00 00 lwpins \$0x0,\(%eax\),%eax +[a-f0-9]+: 8f ea f8 12 08 00 00 00 00 lwpval \$0x0,\(%eax\),%eax diff --git a/gas/testsuite/gas/i386/avx-wig.s b/gas/testsuite/gas/i386/avx-wig.s index 3f16ede..4d17ab4 100644 --- a/gas/testsuite/gas/i386/avx-wig.s +++ b/gas/testsuite/gas/i386/avx-wig.s @@ -17,6 +17,8 @@ _start: blsmsk (%eax), %eax blsr (%eax), %eax bzhi %eax, (%eax), %eax + kmovd %eax, %k0 + kmovd %k0, %eax llwpcb %eax lwpins $0, (%eax), %eax lwpval $0, (%eax), %eax diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 9f82b3f..2212d8e 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,5 +1,14 @@ 2018-11-06 Jan Beulich <jbeulich@suse.com> + * i386-dis.c (MOD_VEX_W_0_0F92_P_3_LEN_0, + MOD_VEX_W_1_0F92_P_3_LEN_0): Fold into MOD_VEX_0F92_P_3_LEN_0. + (MOD_VEX_W_0_0F93_P_3_LEN_0, MOD_VEX_W_1_0F93_P_3_LEN_0): Fold + into MOD_VEX_0F93_P_3_LEN_0. + (vex_len_table, vex_w_table, mod_table): Move kmov[dq} with GPR + operand cases up one level in the hierarchy. + +2018-11-06 Jan Beulich <jbeulich@suse.com> + * i386-dis.c (VEX_W_0FC4_P_2, VEX_W_0FC5_P_2, VEX_W_0F3A14_P_2, VEX_W_0F3A15_P_2, VEX_W_0F3A20_P_2, EVEX_W_0F3A16_P_2, EVEX_W_0F3A22_P_2): Delete. diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index 82c5785..f3fbf19 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -903,12 +903,10 @@ enum MOD_VEX_W_1_0F91_P_2_LEN_0, MOD_VEX_W_0_0F92_P_0_LEN_0, MOD_VEX_W_0_0F92_P_2_LEN_0, - MOD_VEX_W_0_0F92_P_3_LEN_0, - MOD_VEX_W_1_0F92_P_3_LEN_0, + MOD_VEX_0F92_P_3_LEN_0, MOD_VEX_W_0_0F93_P_0_LEN_0, MOD_VEX_W_0_0F93_P_2_LEN_0, - MOD_VEX_W_0_0F93_P_3_LEN_0, - MOD_VEX_W_1_0F93_P_3_LEN_0, + MOD_VEX_0F93_P_3_LEN_0, MOD_VEX_W_0_0F98_P_0_LEN_0, MOD_VEX_W_1_0F98_P_0_LEN_0, MOD_VEX_W_0_0F98_P_2_LEN_0, @@ -1963,10 +1961,8 @@ enum VEX_W_0F91_P_2_LEN_0, VEX_W_0F92_P_0_LEN_0, VEX_W_0F92_P_2_LEN_0, - VEX_W_0F92_P_3_LEN_0, VEX_W_0F93_P_0_LEN_0, VEX_W_0F93_P_2_LEN_0, - VEX_W_0F93_P_3_LEN_0, VEX_W_0F98_P_0_LEN_0, VEX_W_0F98_P_2_LEN_0, VEX_W_0F99_P_0_LEN_0, @@ -9486,7 +9482,7 @@ static const struct dis386 vex_len_table[][2] = { /* VEX_LEN_0F92_P_3 */ { - { VEX_W_TABLE (VEX_W_0F92_P_3_LEN_0) }, + { MOD_TABLE (MOD_VEX_0F92_P_3_LEN_0) }, }, /* VEX_LEN_0F93_P_0 */ @@ -9501,7 +9497,7 @@ static const struct dis386 vex_len_table[][2] = { /* VEX_LEN_0F93_P_3 */ { - { VEX_W_TABLE (VEX_W_0F93_P_3_LEN_0) }, + { MOD_TABLE (MOD_VEX_0F93_P_3_LEN_0) }, }, /* VEX_LEN_0F98_P_0 */ @@ -10000,11 +9996,6 @@ static const struct dis386 vex_w_table[][2] = { { MOD_TABLE (MOD_VEX_W_0_0F92_P_2_LEN_0) }, }, { - /* VEX_W_0F92_P_3_LEN_0 */ - { MOD_TABLE (MOD_VEX_W_0_0F92_P_3_LEN_0) }, - { MOD_TABLE (MOD_VEX_W_1_0F92_P_3_LEN_0) }, - }, - { /* VEX_W_0F93_P_0_LEN_0 */ { MOD_TABLE (MOD_VEX_W_0_0F93_P_0_LEN_0) }, }, @@ -10013,11 +10004,6 @@ static const struct dis386 vex_w_table[][2] = { { MOD_TABLE (MOD_VEX_W_0_0F93_P_2_LEN_0) }, }, { - /* VEX_W_0F93_P_3_LEN_0 */ - { MOD_TABLE (MOD_VEX_W_0_0F93_P_3_LEN_0) }, - { MOD_TABLE (MOD_VEX_W_1_0F93_P_3_LEN_0) }, - }, - { /* VEX_W_0F98_P_0_LEN_0 */ { MOD_TABLE (MOD_VEX_W_0_0F98_P_0_LEN_0) }, { MOD_TABLE (MOD_VEX_W_1_0F98_P_0_LEN_0) }, @@ -10818,14 +10804,9 @@ static const struct dis386 mod_table[][2] = { { "kmovb", { MaskG, Rdq }, 0 }, }, { - /* MOD_VEX_W_0_0F92_P_3_LEN_0 */ - { Bad_Opcode }, - { "kmovd", { MaskG, Rdq }, 0 }, - }, - { - /* MOD_VEX_W_1_0F92_P_3_LEN_0 */ + /* MOD_VEX_0F92_P_3_LEN_0 */ { Bad_Opcode }, - { "kmovq", { MaskG, Rdq }, 0 }, + { "kmovK", { MaskG, Rdq }, 0 }, }, { /* MOD_VEX_W_0_0F93_P_0_LEN_0 */ @@ -10838,14 +10819,9 @@ static const struct dis386 mod_table[][2] = { { "kmovb", { Gdq, MaskR }, 0 }, }, { - /* MOD_VEX_W_0_0F93_P_3_LEN_0 */ - { Bad_Opcode }, - { "kmovd", { Gdq, MaskR }, 0 }, - }, - { - /* MOD_VEX_W_1_0F93_P_3_LEN_0 */ + /* MOD_VEX_0F93_P_3_LEN_0 */ { Bad_Opcode }, - { "kmovq", { Gdq, MaskR }, 0 }, + { "kmovK", { Gdq, MaskR }, 0 }, }, { /* MOD_VEX_W_0_0F98_P_0_LEN_0 */ |