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various smallish optimizations, cleanups, and bug fixes

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This commit is contained in:
kub 2019-09-17 22:48:32 +02:00
parent fe344bd3d8
commit f53e166cf4
8 changed files with 109 additions and 35 deletions
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4
cpu/drc/emit_x86.c
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@ -877,6 +877,7 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI, // x86-64,i386 common
ptr; \
})
#define emith_jump_cond_inrange(ptr) !0
#define emith_jump_patch_size() 6
#define emith_jump_at(ptr, target) do { \
@ -986,6 +987,7 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI, // x86-64,i386 common
} while (0)
#define host_instructions_updated(base, end)
#define emith_update_cache() /**/
#define emith_rw_offs_max() 0xffffffff
@ -993,7 +995,6 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI, // x86-64,i386 common
#define HOST_REGS 16
#define PTR_SCALE 3
#define NA_TMP_REG xAX // non-arg tmp from reg_temp[]
#define EMIT_XREX_IF(w, r, rm, rs) do { \
int xr_ = (r) > 7 ? 1 : 0; \
@ -1078,7 +1079,6 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI, // x86-64,i386 common
#define HOST_REGS 8
#define PTR_SCALE 2
#define NA_TMP_REG xBX // non-arg tmp from reg_temp[]
#define EMIT_REX_IF(w, r, rm) do { \
assert((u32)(r) < 8u); \