From 14f5d874bcd533054648bb7cc767c7169eaf2f1c Mon Sep 17 00:00:00 2001 From: Aleksandar Markovic Date: Thu, 20 Jun 2019 15:45:49 +0200 Subject: [PATCH] target/mips: Fix emulation of ILVR. on big endian host Fix emulation of ILVR. 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: <1561038349-17105-5-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 458c840115..7a9bfb3f36 100644 --- a/target/mips/msa_helper.c +++ b/target/mips/msa_helper.c @@ -2001,6 +2001,24 @@ void helper_msa_ilvr_df(CPUMIPSState *env, uint32_t df, uint32_t wd, switch (df) { case DF_BYTE: +#if defined(TARGET_WORDS_BIGENDIAN) + pwd->b[8] = pws->b[0]; + pwd->b[9] = pwt->b[0]; + pwd->b[10] = pws->b[1]; + pwd->b[11] = pwt->b[1]; + pwd->b[12] = pws->b[2]; + pwd->b[13] = pwt->b[2]; + pwd->b[14] = pws->b[3]; + pwd->b[15] = pwt->b[3]; + pwd->b[0] = pws->b[4]; + pwd->b[1] = pwt->b[4]; + pwd->b[2] = pws->b[5]; + pwd->b[3] = pwt->b[5]; + pwd->b[4] = pws->b[6]; + pwd->b[5] = pwt->b[6]; + pwd->b[6] = pws->b[7]; + pwd->b[7] = pwt->b[7]; +#else pwd->b[15] = pws->b[7]; pwd->b[14] = pwt->b[7]; pwd->b[13] = pws->b[6]; @@ -2017,8 +2035,19 @@ void helper_msa_ilvr_df(CPUMIPSState *env, uint32_t df, uint32_t wd, pwd->b[2] = pwt->b[1]; 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[0]; + pwd->h[5] = pwt->h[0]; + pwd->h[6] = pws->h[1]; + pwd->h[7] = pwt->h[1]; + pwd->h[0] = pws->h[2]; + pwd->h[1] = pwt->h[2]; + pwd->h[2] = pws->h[3]; + pwd->h[3] = pwt->h[3]; +#else pwd->h[7] = pws->h[3]; pwd->h[6] = pwt->h[3]; pwd->h[5] = pws->h[2]; @@ -2027,12 +2056,20 @@ void helper_msa_ilvr_df(CPUMIPSState *env, uint32_t df, uint32_t wd, pwd->h[2] = pwt->h[1]; 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[0]; + pwd->w[3] = pwt->w[0]; + pwd->w[0] = pws->w[1]; + pwd->w[1] = pwt->w[1]; +#else pwd->w[3] = pws->w[1]; pwd->w[2] = pwt->w[1]; pwd->w[1] = pws->w[0]; pwd->w[0] = pwt->w[0]; +#endif break; case DF_DOUBLE: pwd->d[1] = pws->d[0]; -- 2.11.0