Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added recompiled register versions of FADDP, FDIVP, FDIVRP, FMULP, FSUBP and FSUBRP.

Browse source
This commit is contained in:
SarahW 2018-10-08 21:44:30 +01:00
commit 305b6cc4fd
10 changed files with 190 additions and 65 deletions
Download patch file Download diff file Expand all files Collapse all files

24
src/x87_ops_arith.h
View file

@ -11,7 +11,7 @@ static int opFADD ## name ## _a ## a_size(uint32_t fetchdat) \
ST(0) += use_var; \
if ((cpu_state.npxc >> 10) & 3) \
fesetround(FE_TONEAREST); \
cpu_state.tag[cpu_state.TOP] = TAG_VALID; \
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID; \
CLOCK_CYCLES(8); \
return 0; \
} \
@ -48,7 +48,7 @@ static int opFDIV ## name ## _a ## a_size(uint32_t fetchdat) \
SEG_CHECK_READ(cpu_state.ea_seg); \
load_var = get(); if (cpu_state.abrt) return 1; \
x87_div(ST(0), ST(0), use_var); \
cpu_state.tag[cpu_state.TOP] = TAG_VALID; \
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID; \
CLOCK_CYCLES(73); \
return 0; \
} \
@ -60,7 +60,7 @@ static int opFDIVR ## name ## _a ## a_size(uint32_t fetchdat) \
SEG_CHECK_READ(cpu_state.ea_seg); \
load_var = get(); if (cpu_state.abrt) return 1; \
x87_div(ST(0), use_var, ST(0)); \
cpu_state.tag[cpu_state.TOP] = TAG_VALID; \
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID; \
CLOCK_CYCLES(73); \
return 0; \
} \
@ -72,7 +72,7 @@ static int opFMUL ## name ## _a ## a_size(uint32_t fetchdat) \
SEG_CHECK_READ(cpu_state.ea_seg); \
load_var = get(); if (cpu_state.abrt) return 1; \
ST(0) *= use_var; \
cpu_state.tag[cpu_state.TOP] = TAG_VALID; \
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID; \
CLOCK_CYCLES(11); \
return 0; \
} \
@ -84,7 +84,7 @@ static int opFSUB ## name ## _a ## a_size(uint32_t fetchdat) \
SEG_CHECK_READ(cpu_state.ea_seg); \
load_var = get(); if (cpu_state.abrt) return 1; \
ST(0) -= use_var; \
cpu_state.tag[cpu_state.TOP] = TAG_VALID; \
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID; \
CLOCK_CYCLES(8); \
return 0; \
} \
@ -96,7 +96,7 @@ static int opFSUBR ## name ## _a ## a_size(uint32_t fetchdat) \
SEG_CHECK_READ(cpu_state.ea_seg); \
load_var = get(); if (cpu_state.abrt) return 1; \
ST(0) = use_var - ST(0); \
cpu_state.tag[cpu_state.TOP] = TAG_VALID; \
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID; \
CLOCK_CYCLES(8); \
return 0; \
}
@ -121,7 +121,7 @@ static int opFADD(uint32_t fetchdat)
cpu_state.pc++;
if (fplog) pclog("FADD\n");
ST(0) = ST(0) + ST(fetchdat & 7);
cpu_state.tag[cpu_state.TOP] = TAG_VALID;
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
CLOCK_CYCLES(8);
return 0;
}
@ -232,7 +232,7 @@ static int opFDIV(uint32_t fetchdat)
cpu_state.pc++;
if (fplog) pclog("FDIV\n");
x87_div(ST(0), ST(0), ST(fetchdat & 7));
cpu_state.tag[cpu_state.TOP] = TAG_VALID;
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
CLOCK_CYCLES(73);
return 0;
}
@ -264,7 +264,7 @@ static int opFDIVR(uint32_t fetchdat)
cpu_state.pc++;
if (fplog) pclog("FDIVR\n");
x87_div(ST(0), ST(fetchdat&7), ST(0));
cpu_state.tag[cpu_state.TOP] = TAG_VALID;
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
CLOCK_CYCLES(73);
return 0;
}
@ -296,7 +296,7 @@ static int opFMUL(uint32_t fetchdat)
cpu_state.pc++;
if (fplog) pclog("FMUL\n");
ST(0) = ST(0) * ST(fetchdat & 7);
cpu_state.tag[cpu_state.TOP] = TAG_VALID;
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
CLOCK_CYCLES(16);
return 0;
}
@ -328,7 +328,7 @@ static int opFSUB(uint32_t fetchdat)
cpu_state.pc++;
if (fplog) pclog("FSUB\n");
ST(0) = ST(0) - ST(fetchdat & 7);
cpu_state.tag[cpu_state.TOP] = TAG_VALID;
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
CLOCK_CYCLES(8);
return 0;
}
@ -360,7 +360,7 @@ static int opFSUBR(uint32_t fetchdat)
cpu_state.pc++;
if (fplog) pclog("FSUBR\n");
ST(0) = ST(fetchdat & 7) - ST(0);
cpu_state.tag[cpu_state.TOP] = TAG_VALID;
cpu_state.tag[cpu_state.TOP&7] = TAG_VALID;
CLOCK_CYCLES(8);
return 0;
}