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Start reducing size of codeblock_t structure.

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Re-arrange all variables needed to run a block to fit in a single cache line.
This commit is contained in:
SarahW 2018-11-28 20:29:48 +00:00
commit 2007c25177
5 changed files with 62 additions and 40 deletions
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10
src/ibm.h
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@ -194,7 +194,7 @@ struct
#define cycles cpu_state._cycles
extern uint32_t cpu_cur_status;
extern uint16_t cpu_cur_status;
/*The flags below must match in both cpu_cur_status and block->status for a block
to be valid*/
@ -202,13 +202,13 @@ extern uint32_t cpu_cur_status;
#define CPU_STATUS_STACK32 (1 << 1)
#define CPU_STATUS_PMODE (1 << 2)
#define CPU_STATUS_V86 (1 << 3)
#define CPU_STATUS_FLAGS 0xffff
#define CPU_STATUS_FLAGS 0xff
/*If the flags below are set in cpu_cur_status, they must be set in block->status.
Otherwise they are ignored*/
#define CPU_STATUS_NOTFLATDS (1 << 16)
#define CPU_STATUS_NOTFLATSS (1 << 17)
#define CPU_STATUS_MASK 0xffff0000
#define CPU_STATUS_NOTFLATDS (1 << 8)
#define CPU_STATUS_NOTFLATSS (1 << 9)
#define CPU_STATUS_MASK 0xff00
#define COMPILE_TIME_ASSERT(expr) typedef char COMP_TIME_ASSERT[(expr) ? 1 : 0];