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Reorganize carry to store flags separately instead of part of XER

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Also correct behavior with regards to which bits in XER are treated as zero
based on a hwtest (probably doesn't affect any real games, but might as well
be correct).
This commit is contained in:
Fiora
2014-09-12 13:19:50 -07:00
parent 788a719718
commit 5fce109ce1
10 changed files with 97 additions and 68 deletions
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9
Source/Core/Core/PowerPC/Gekko.h
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@ -335,16 +335,17 @@ union UFPR
#define XER_CA_SHIFT 29
#define XER_OV_SHIFT 30
#define XER_SO_SHIFT 31
#define XER_CA_MASK (1U << XER_CA_SHIFT)
#define XER_OV_MASK (1U << XER_OV_SHIFT)
#define XER_SO_MASK (1U << XER_SO_SHIFT)
#define XER_OV_MASK 1
#define XER_SO_MASK 2
// XER
union UReg_XER
{
struct
{
u32 BYTE_COUNT : 7;
u32 : 22;
u32 : 1;
u32 BYTE_CMP : 8;
u32 : 13;
u32 CA : 1;
u32 OV : 1;
u32 SO : 1;