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correct vzeroupper opcode

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This commit is contained in:
Stanislav Shwartsman 2013-08-27 06:57:48 +00:00
parent 735154a755
commit c5f72033ad
2 changed files with 6 additions and 6 deletions
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6
bochs/cpu/fetchdecode.cc
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@ -1285,8 +1285,8 @@ BX_CPU_C::fetchDecode32(const Bit8u *iptr, bxInstruction_c *i, unsigned remainin
unsigned sse_prefix = SSE_PREFIX_NONE;
#if BX_SUPPORT_AVX
int had_vex = 0, had_xop = 0, use_vvv = 0, vvv = -1;
bx_bool vex_w = 0, vex_l = 0;
int had_vex = 0, had_xop = 0, vvv = -1;
bx_bool vex_w = 0, vex_l = 0, use_vvv = 0;
#endif
os_32 = is_32 =
@ -1406,7 +1406,7 @@ fetch_b1:
b1 += 256 * vex_opcext;
if (b1 < 256 || b1 >= 1024) had_vex = -1;
else has_modrm = (b1 != 0x77); // if not VZEROUPPER/VZEROALL opcode
else has_modrm = (b1 != 0x177); // if not VZEROUPPER/VZEROALL opcode
}
else if (b1 == 0x8f && (*iptr & 0xc8) == 0xc8) {
// 3 byte XOP prefix

6
bochs/cpu/fetchdecode64.cc
View File

@ -1704,8 +1704,8 @@ BX_CPU_C::fetchDecode64(const Bit8u *iptr, bxInstruction_c *i, unsigned remainin
unsigned rex_prefix = 0;
#if BX_SUPPORT_AVX
int had_vex = 0, had_xop = 0, use_vvv = 0, vvv = -1;
bx_bool vex_w = 0, vex_l = 0;
int had_vex = 0, had_xop = 0, vvv = -1;
bx_bool vex_w = 0, vex_l = 0, use_vvv = 0;
#endif
i->ResolveModrm = 0;
@ -1871,7 +1871,7 @@ fetch_b1:
b1 += 256 * vex_opcext;
if (b1 < 256 || b1 >= 1024) had_vex = -1;
else has_modrm = (b1 != 0x77); // if not VZEROUPPER/VZEROALL opcode
else has_modrm = (b1 != 0x177); // if not VZEROUPPER/VZEROALL opcode
}
else if (b1 == 0x8f && (*iptr & 0x08) == 0x08) {
// 3 byte XOP prefix