> From: Aleksandar Markovic
> Sent: Monday, July 15, 2019 10:00 PM
> To: qemu-devel@nongnu.org
> Cc: s...@weilnetz.de; Aleksandar Markovic; Aleksandar Rikalo
> Subject: [PATCH for 4.1 v4 5/5] target/mips: Fix emulation of MSA pack
> instructions on big endian hosts
>
> From: Aleksandar Markovic
>
> Fix emulation of MSA pack instructions on big endian hosts.
>
> Signed-off-by: Aleksandar Markovic
> ---
> target/mips/msa_helper.c | 74
>
> 1 file changed, 74 insertions(+)
>
> diff --git a/target/mips/msa_helper.c b/target/mips/msa_helper.c
> index a383c40..27560ac 100644
> --- a/target/mips/msa_helper.c
> +++ b/target/mips/msa_helper.c
> @@ -2113,6 +2113,24 @@ void helper_msa_pckev_df(CPUMIPSState *env, uint32_t
> df, uint32_t wd,
>
> switch (df) {
> case DF_BYTE:
> +#if defined(HOST_WORDS_BIGENDIAN)
> +pwd->b[8] = pws->b[9];
> +pwd->b[10] = pws->b[13];
> +pwd->b[12] = pws->b[1];
> +pwd->b[14] = pws->b[5];
> +pwd->b[0] = pwt->b[9];
> +pwd->b[2] = pwt->b[13];
> +pwd->b[4] = pwt->b[1];
> +pwd->b[6] = pwt->b[5];
> +pwd->b[9] = pws->b[11];
> +pwd->b[13] = pws->b[3];
> +pwd->b[1] = pwt->b[11];
> +pwd->b[5] = pwt->b[3];
> +pwd->b[11] = pws->b[15];
> +pwd->b[3] = pwt->b[15];
> +pwd->b[15] = pws->b[7];
> +pwd->b[7] = pwt->b[7];
> +#else
> pwd->b[15] = pws->b[14];
> pwd->b[13] = pws->b[10];
> pwd->b[11] = pws->b[6];
> @@ -2129,8 +2147,19 @@ void helper_msa_pckev_df(CPUMIPSState *env, uint32_t
> df, uint32_t wd,
> pwd->b[4] = pwt->b[8];
> pwd->b[8] = pws->b[0];
> pwd->b[0] = pwt->b[0];
> +#endif
> break;
> case DF_HALF:
> +#if defined(HOST_WORDS_BIGENDIAN)
> +pwd->h[4] = pws->h[5];
> +pwd->h[6] = pws->h[1];
> +pwd->h[0] = pwt->h[5];
> +pwd->h[2] = pwt->h[1];
> +pwd->h[5] = pws->h[7];
> +pwd->h[1] = pwt->h[7];
> +pwd->h[7] = pws->h[3];
> +pwd->h[3] = pwt->h[3];
> +#else
> pwd->h[7] = pws->h[6];
> pwd->h[5] = pws->h[2];
> pwd->h[3] = pwt->h[6];
> @@ -2139,12 +2168,20 @@ void helper_msa_pckev_df(CPUMIPSState *env, uint32_t
> df, uint32_t wd,
> pwd->h[2] = pwt->h[4];
> pwd->h[4] = pws->h[0];
> pwd->h[0] = pwt->h[0];
> +#endif
> break;
> case DF_WORD:
> +#if defined(HOST_WORDS_BIGENDIAN)
> +pwd->w[2] = pws->w[3];
> +pwd->w[0] = pwt->w[3];
> +pwd->w[3] = pws->w[1];
> +pwd->w[1] = pwt->w[1];
> +#else
> pwd->w[3] = pws->w[2];
> pwd->w[1] = pwt->w[2];
> pwd->w[2] = pws->w[0];
> pwd->w[0] = pwt->w[0];
> +#endif
> break;
> case DF_DOUBLE:
> pwd->d[1] = pws->d[0];
> @@ -2164,6 +2201,24 @@ void helper_msa_pckod_df(CPUMIPSState *env, uint32_t
> df, uint32_t wd,
>
> switch (df) {
> case DF_BYTE:
> +#if defined(HOST_WORDS_BIGENDIAN)
> +pwd->b[7] = pws->b[6];
> +pwd->b[5] = pws->b[2];
> +pwd->b[3] = pws->b[14];
> +pwd->b[1] = pws->b[10];
> +pwd->b[15] = pwt->b[6];
> +pwd->b[13] = pwt->b[2];
> +pwd->b[11] = pwt->b[14];
> +pwd->b[9] = pwt->b[10];
> +pwd->b[6] = pws->b[4];
> +pwd->b[2] = pws->b[12];
> +pwd->b[14] = pwt->b[4];
> +pwd->b[10] = pwt->b[12];
> +pwd->b[4] = pws->b[0];
> +pwd->b[12] = pwt->b[0];
> +pwd->b[0] = pws->b[8];
> +pwd->b[8] = pwt->b[8];
> +#else
> pwd->b[0] = pwt->b[1];
> pwd->b[2] = pwt->b[5];
> pwd->b[4] = pwt->b[9];
> @@ -2180,8 +2235,19 @@ void helper_msa_pckod_df(CPUMIPSState *env, uint32_t
> df, uint32_t wd,
> pwd->b[11] = pws->b[7];
> pwd->b[7] = pwt->b[15];
> pwd->b[15] = pws->b[15];
> +#endif
> break;
> case DF_HALF:
> +#if defined(HOST_WORDS_BIGENDIAN)
> +pwd->h[3] = pws->h[2];
> +pwd->h[1] = pws->h[6];
> +pwd->h[7] = pwt->h[2];
> +pwd->h[5] = pwt->h[6];
> +pwd->h[2] = pws->h[0];
> +pwd->h[6] = pwt->h[0];
> +pwd->h[0] = pws->h[4];
> +pwd->h[4] = pwt->h[4];
> +#else
> pwd->h[0] = pwt->h[1];
> pwd->h[2] = pwt->h[5];
> pwd->h[4] = pws->h[1];
> @@ -2190,12 +2256,20 @@ void helper_msa_pckod_df(CPUMIPSState *env, uint32_t
> df, uint32_t wd,
> pwd->h[5] = pws->h[3];
> pwd->h[3] = pwt->h[7];
> pwd->h[7] = pws->h[7];
> +#endif
> break;
> case DF_WORD:
> +#if defined(HOST_WORDS_BIGENDIAN)
> +pwd->w[1] = pws->w[0];
> +pwd->w[3] = pwt->w[0];
> +pwd->w[0] = pws->w[2];
> +pwd->w[2] = pwt->w[2];
> +#else
> pwd->w[0] = pwt->w[1];
> pwd->w[2] = pws->w[1];
> pwd->w[1] = pwt->w[3];
> pwd->w[3] = pws->w[3];
> +#endif
>