diff options
| author | vboxsync <vboxsync@cfe28804-0f27-0410-a406-dd0f0b0b656f> | 2013-07-05 09:34:17 +0000 |
|---|---|---|
| committer | vboxsync <vboxsync@cfe28804-0f27-0410-a406-dd0f0b0b656f> | 2013-07-05 09:34:17 +0000 |
| commit | d12ad73ca446430e6a07b3555069dc2b4bc55d24 (patch) | |
| tree | fa88d76e798a4acd0ea4c75a2f0c273cb7573c0a /src/VBox/VMM/VMMAll/IEMAllAImpl.asm | |
| parent | c0924b752105910570b2e2acec4b626fbc424c5d (diff) | |
| download | VirtualBox-svn-d12ad73ca446430e6a07b3555069dc2b4bc55d24.tar.gz | |
build fix
git-svn-id: https://www.virtualbox.org/svn/vbox/trunk@46995 cfe28804-0f27-0410-a406-dd0f0b0b656f
Diffstat (limited to 'src/VBox/VMM/VMMAll/IEMAllAImpl.asm')
| -rw-r--r-- | src/VBox/VMM/VMMAll/IEMAllAImpl.asm | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/VBox/VMM/VMMAll/IEMAllAImpl.asm b/src/VBox/VMM/VMMAll/IEMAllAImpl.asm index 7c2c0264b29..d783782f020 100644 --- a/src/VBox/VMM/VMMAll/IEMAllAImpl.asm +++ b/src/VBox/VMM/VMMAll/IEMAllAImpl.asm @@ -1341,8 +1341,8 @@ BEGINPROC_FASTCALL iemAImpl_ %+ %1 %+ _u8, 12 jae .div_overflow %else mov T0_16, [A0] ; T0 = dividend - mov T1_8, A1_8 ; T1 = divisor - test T1_16, T1_16 + mov T1, A1 ; T1 = saved divisor (because of missing T1_8 in 32-bit) + test A1_8, A1_8 js .divisor_negative test T0_16, T0_16 jns .both_positive @@ -1350,25 +1350,26 @@ BEGINPROC_FASTCALL iemAImpl_ %+ %1 %+ _u8, 12 .one_of_each: ; OK range is 2^(result-with - 1) + (divisor - 1). push T0 ; Start off like unsigned below. shr T0_16, 7 - cmp T0_8, T1_8 + cmp T0_8, A1_8 pop T0 jb .div_no_overflow ja .div_overflow and T0_8, 0x7f ; Special case for covering (divisor - 1). - cmp T0_8, T1_8 + cmp T0_8, A1_8 jae .div_overflow jmp .div_no_overflow .divisor_negative: - neg T1_8 + neg A1_8 test T0_16, T0_16 jns .one_of_each neg T0_16 .both_positive: ; Same as unsigned shifted by sign indicator bit. shr T0_16, 7 - cmp T0_8, T1_8 + cmp T0_8, A1_8 jae .div_overflow .div_no_overflow: + mov A1, T1 ; restore divisor %endif IEM_MAYBE_LOAD_FLAGS A2, %2, %3 |