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| author | Matheus Ferst <matheus.ferst@eldorado.org.br> | 2021-10-29 17:23:59 -0300 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2021-11-09 10:32:52 +1100 |
| commit | 21ba6e58733b650b6af3505c4a7a44e14ff9492e (patch) | |
| tree | 8eb5ce0c50796d87a21f95da90a3dcfd0e16f60a /target/ppc/int_helper.c | |
| parent | f356b3ba4745d892156931ba7c82067c4a9c18ab (diff) | |
| download | qemu-21ba6e58733b650b6af3505c4a7a44e14ff9492e.zip qemu-21ba6e58733b650b6af3505c4a7a44e14ff9492e.tar.gz qemu-21ba6e58733b650b6af3505c4a7a44e14ff9492e.tar.bz2 | |
target/ppc: Implement pdepd instruction
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20211029202424.175401-10-matheus.ferst@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target/ppc/int_helper.c')
| -rw-r--r-- | target/ppc/int_helper.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index eeb7781..337bb7f 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -386,6 +386,26 @@ uint64_t helper_cfuged(uint64_t src, uint64_t mask) return left | (right >> n); } +#if defined(TARGET_PPC64) +uint64_t helper_PDEPD(uint64_t src, uint64_t mask) +{ + int i, o; + uint64_t result = 0; + + if (mask == -1) { + return src; + } + + for (i = 0; mask != 0; i++) { + o = ctz64(mask); + mask &= mask - 1; + result |= ((src >> i) & 1) << o; + } + + return result; +} +#endif + /*****************************************************************************/ /* PowerPC 601 specific instructions (POWER bridge) */ target_ulong helper_div(CPUPPCState *env, target_ulong arg1, target_ulong arg2) |