From 98880cb5a669a35b5bc75432027f2b9fff566aea Mon Sep 17 00:00:00 2001 From: Aleksandar Markovic Date: Thu, 20 Jun 2019 15:45:46 +0200 Subject: [PATCH] target/mips: Fix emulation of ILVEV. on big endian host Fix emulation of ILVEV. on big endian host by applying mapping of data element indexes from one endian to another. Signed-off-by: Aleksandar Markovic Reviewed-by: Aleksandar Rikalo Message-Id: <1561038349-17105-2-git-send-email-aleksandar.markovic@rt-rk.com> --- target/mips/msa_helper.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/target/mips/msa_helper.c b/target/mips/msa_helper.c index be059a3d6f..215d8af9cd 100644 --- a/target/mips/msa_helper.c +++ b/target/mips/msa_helper.c @@ -1737,6 +1737,24 @@ void helper_msa_ilvev_df(CPUMIPSState *env, uint32_t df, uint32_t wd, switch (df) { case DF_BYTE: +#if defined(TARGET_WORDS_BIGENDIAN) + pwd->b[8] = pws->b[9]; + pwd->b[9] = pwt->b[9]; + pwd->b[10] = pws->b[11]; + pwd->b[11] = pwt->b[11]; + pwd->b[12] = pws->b[13]; + pwd->b[13] = pwt->b[13]; + pwd->b[14] = pws->b[15]; + pwd->b[15] = pwt->b[15]; + pwd->b[0] = pws->b[1]; + pwd->b[1] = pwt->b[1]; + pwd->b[2] = pws->b[3]; + pwd->b[3] = pwt->b[3]; + pwd->b[4] = pws->b[5]; + pwd->b[5] = pwt->b[5]; + pwd->b[6] = pws->b[7]; + pwd->b[7] = pwt->b[7]; +#else pwd->b[15] = pws->b[14]; pwd->b[14] = pwt->b[14]; pwd->b[13] = pws->b[12]; @@ -1753,8 +1771,19 @@ void helper_msa_ilvev_df(CPUMIPSState *env, uint32_t df, uint32_t wd, pwd->b[2] = pwt->b[2]; pwd->b[1] = pws->b[0]; pwd->b[0] = pwt->b[0]; +#endif break; case DF_HALF: +#if defined(TARGET_WORDS_BIGENDIAN) + pwd->h[4] = pws->h[5]; + pwd->h[5] = pwt->h[5]; + pwd->h[6] = pws->h[7]; + pwd->h[7] = pwt->h[7]; + pwd->h[0] = pws->h[1]; + pwd->h[1] = pwt->h[1]; + pwd->h[2] = pws->h[3]; + pwd->h[3] = pwt->h[3]; +#else pwd->h[7] = pws->h[6]; pwd->h[6] = pwt->h[6]; pwd->h[5] = pws->h[4]; @@ -1763,12 +1792,20 @@ void helper_msa_ilvev_df(CPUMIPSState *env, uint32_t df, uint32_t wd, pwd->h[2] = pwt->h[2]; pwd->h[1] = pws->h[0]; pwd->h[0] = pwt->h[0]; +#endif break; case DF_WORD: +#if defined(TARGET_WORDS_BIGENDIAN) + pwd->w[2] = pws->w[3]; + pwd->w[3] = pwt->w[3]; + pwd->w[0] = pws->w[1]; + pwd->w[1] = pwt->w[1]; +#else pwd->w[3] = pws->w[2]; pwd->w[2] = pwt->w[2]; pwd->w[1] = pws->w[0]; pwd->w[0] = pwt->w[0]; +#endif break; case DF_DOUBLE: pwd->d[1] = pws->d[0]; -- GitLab