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target/m68k: add explicit single and double precision operations (part 2)

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Add fsabs, fdabs, fsneg, fdneg, fsmove and fdmove.

The value is converted using the new floatx80_round() function.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-Id: <20170628204241.32106-7-laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2017-06-28 22:42:40 +02:00
parent 2f77995ceb
commit 77bdb22924
3 changed files with 74 additions and 8 deletions
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26
target/m68k/translate.c
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@ -4595,9 +4595,15 @@ DISAS_INSN(fpu)
}
cpu_dest = gen_fp_ptr(REG(ext, 7));
switch (opmode) {
case 0: case 0x40: case 0x44: /* fmove */
case 0: /* fmove */
gen_fp_move(cpu_dest, cpu_src);
break;
case 0x40: /* fsmove */
gen_helper_fsround(cpu_env, cpu_dest, cpu_src);
break;
case 0x44: /* fdmove */
gen_helper_fdround(cpu_env, cpu_dest, cpu_src);
break;
case 1: /* fint */
gen_helper_firound(cpu_env, cpu_dest, cpu_src);
break;
@ -4613,11 +4619,23 @@ DISAS_INSN(fpu)
case 0x45: /* fdsqrt */
gen_helper_fdsqrt(cpu_env, cpu_dest, cpu_src);
break;
case 0x18: case 0x58: case 0x5c: /* fabs */
case 0x18: /* fabs */
gen_helper_fabs(cpu_env, cpu_dest, cpu_src);
break;
case 0x1a: case 0x5a: case 0x5e: /* fneg */
gen_helper_fchs(cpu_env, cpu_dest, cpu_src);
case 0x58: /* fsabs */
gen_helper_fsabs(cpu_env, cpu_dest, cpu_src);
break;
case 0x5c: /* fdabs */
gen_helper_fdabs(cpu_env, cpu_dest, cpu_src);
break;
case 0x1a: /* fneg */
gen_helper_fneg(cpu_env, cpu_dest, cpu_src);
break;
case 0x5a: /* fsneg */
gen_helper_fsneg(cpu_env, cpu_dest, cpu_src);
break;
case 0x5e: /* fdneg */
gen_helper_fdneg(cpu_env, cpu_dest, cpu_src);
break;
case 0x20: /* fdiv */
gen_helper_fdiv(cpu_env, cpu_dest, cpu_src, cpu_dest);