mirror of https://github.com/proxmox/mirror_qemu
target-mips: Use the new extract op
Use extract for EXT and DEXT. Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com> Signed-off-by: Richard Henderson <rth@twiddle.net>master
parent
04fc2f1c8f
commit
6eebb7a438
|
@ -4488,11 +4488,12 @@ static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
|
||||||
if (lsb + msb > 31) {
|
if (lsb + msb > 31) {
|
||||||
goto fail;
|
goto fail;
|
||||||
}
|
}
|
||||||
tcg_gen_shri_tl(t0, t1, lsb);
|
|
||||||
if (msb != 31) {
|
if (msb != 31) {
|
||||||
tcg_gen_andi_tl(t0, t0, (1U << (msb + 1)) - 1);
|
tcg_gen_extract_tl(t0, t1, lsb, msb + 1);
|
||||||
} else {
|
} else {
|
||||||
tcg_gen_ext32s_tl(t0, t0);
|
/* The two checks together imply that lsb == 0,
|
||||||
|
so this is a simple sign-extension. */
|
||||||
|
tcg_gen_ext32s_tl(t0, t1);
|
||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
#if defined(TARGET_MIPS64)
|
#if defined(TARGET_MIPS64)
|
||||||
|
@ -4507,10 +4508,7 @@ static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
|
||||||
if (lsb + msb > 63) {
|
if (lsb + msb > 63) {
|
||||||
goto fail;
|
goto fail;
|
||||||
}
|
}
|
||||||
tcg_gen_shri_tl(t0, t1, lsb);
|
tcg_gen_extract_tl(t0, t1, lsb, msb + 1);
|
||||||
if (msb != 63) {
|
|
||||||
tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
|
|
||||||
}
|
|
||||||
break;
|
break;
|
||||||
#endif
|
#endif
|
||||||
case OPC_INS:
|
case OPC_INS:
|
||||||
|
|
Loading…
Reference in New Issue