Mercurial > repos > blastem
diff gen_x86.c @ 125:dc5fc3adf705
Fix encoding of movsx instruction when used with new (i.e. r9-r15) registers. This fixes the indexed addressing modes when used with a word-wide index register
| author | Mike Pavone <pavone@retrodev.com> |
|---|---|
| date | Sat, 29 Dec 2012 22:11:28 -0800 |
| parents | bd3858121ab0 |
| children | 5416a5c4628e |
line wrap: on
line diff
--- a/gen_x86.c Sat Dec 29 21:55:42 2012 -0800 +++ b/gen_x86.c Sat Dec 29 22:11:28 2012 -0800 @@ -962,11 +962,11 @@ *out |= REX_QUAD; } if (src >= R8) { - *out |= REX_REG_FIELD; + *out |= REX_RM_FIELD; src -= (R8 - X86_R8); } if (dst >= R8) { - *out |= REX_RM_FIELD; + *out |= REX_REG_FIELD; dst -= (R8 - X86_R8); } out++; @@ -992,11 +992,11 @@ *out |= REX_QUAD; } if (src >= R8) { - *out |= REX_REG_FIELD; + *out |= REX_RM_FIELD; src -= (R8 - X86_R8); } if (dst >= R8) { - *out |= REX_RM_FIELD; + *out |= REX_REG_FIELD; dst -= (R8 - X86_R8); } out++;