diff options
| author | Matheus Ferst <matheus.ferst@eldorado.org.br> | 2021-10-29 17:24:00 -0300 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2021-11-09 10:32:52 +1100 |
| commit | 8bdb760606dadf6b7454aac84f214bb0f2c80654 (patch) | |
| tree | 481dff192f1df64da4a7df5a5351d8f7fca2d33d /target | |
| parent | 21ba6e58733b650b6af3505c4a7a44e14ff9492e (diff) | |
target/ppc: Implement pextd instruction
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20211029202424.175401-11-matheus.ferst@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target')
| -rw-r--r-- | target/ppc/helper.h | 1 | ||||
| -rw-r--r-- | target/ppc/insn32.decode | 1 | ||||
| -rw-r--r-- | target/ppc/int_helper.c | 18 | ||||
| -rw-r--r-- | target/ppc/translate/fixedpoint-impl.c.inc | 12 |
4 files changed, 32 insertions, 0 deletions
diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 3e22957559..808c582382 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -49,6 +49,7 @@ DEF_HELPER_3(sraw, tl, env, tl, tl) DEF_HELPER_FLAGS_2(cfuged, TCG_CALL_NO_RWG_SE, i64, i64, i64) #if defined(TARGET_PPC64) DEF_HELPER_FLAGS_2(PDEPD, TCG_CALL_NO_RWG_SE, i64, i64, i64) +DEF_HELPER_FLAGS_2(PEXTD, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_FLAGS_2(cmpeqb, TCG_CALL_NO_RWG_SE, i32, tl, tl) DEF_HELPER_FLAGS_1(popcntw, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_2(bpermd, TCG_CALL_NO_RWG_SE, i64, i64, i64) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index c47a6a02e1..e13f920702 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -127,6 +127,7 @@ CFUGED 011111 ..... ..... ..... 0011011100 - @X CNTLZDM 011111 ..... ..... ..... 0000111011 - @X CNTTZDM 011111 ..... ..... ..... 1000111011 - @X PDEPD 011111 ..... ..... ..... 0010011100 - @X +PEXTD 011111 ..... ..... ..... 0010111100 - @X ### Float-Point Load Instructions diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 337bb7f4d3..913d76be6e 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -404,6 +404,24 @@ uint64_t helper_PDEPD(uint64_t src, uint64_t mask) return result; } + +uint64_t helper_PEXTD(uint64_t src, uint64_t mask) +{ + int i, o; + uint64_t result = 0; + + if (mask == -1) { + return src; + } + + for (o = 0; mask != 0; o++) { + i = ctz64(mask); + mask &= mask - 1; + result |= ((src >> i) & 1) << o; + } + + return result; +} #endif /*****************************************************************************/ diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/translate/fixedpoint-impl.c.inc index f0bf69fbac..220b099fcd 100644 --- a/target/ppc/translate/fixedpoint-impl.c.inc +++ b/target/ppc/translate/fixedpoint-impl.c.inc @@ -481,3 +481,15 @@ static bool trans_PDEPD(DisasContext *ctx, arg_X *a) #endif return true; } + +static bool trans_PEXTD(DisasContext *ctx, arg_X *a) +{ + REQUIRE_64BIT(ctx); + REQUIRE_INSNS_FLAGS2(ctx, ISA310); +#if defined(TARGET_PPC64) + gen_helper_PEXTD(cpu_gpr[a->ra], cpu_gpr[a->rt], cpu_gpr[a->rb]); +#else + qemu_build_not_reached(); +#endif + return true; +} |