From 8e74bceb00120b23f0931e4e4478d1b10e0970d4 Mon Sep 17 00:00:00 2001 From: Aleksandar Markovic Date: Thu, 20 Jun 2019 15:45:48 +0200 Subject: [PATCH] target/mips: Fix emulation of ILVL. on big endian host Fix emulation of ILVL. 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: <1561038349-17105-4-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 9f411c10a6..458c840115 100644 --- a/target/mips/msa_helper.c +++ b/target/mips/msa_helper.c @@ -1913,6 +1913,24 @@ void helper_msa_ilvl_df(CPUMIPSState *env, uint32_t df, uint32_t wd, switch (df) { case DF_BYTE: +#if defined(TARGET_WORDS_BIGENDIAN) + pwd->b[7] = pwt->b[15]; + pwd->b[6] = pws->b[15]; + pwd->b[5] = pwt->b[14]; + pwd->b[4] = pws->b[14]; + pwd->b[3] = pwt->b[13]; + pwd->b[2] = pws->b[13]; + pwd->b[1] = pwt->b[12]; + pwd->b[0] = pws->b[12]; + pwd->b[15] = pwt->b[11]; + pwd->b[14] = pws->b[11]; + pwd->b[13] = pwt->b[10]; + pwd->b[12] = pws->b[10]; + pwd->b[11] = pwt->b[9]; + pwd->b[10] = pws->b[9]; + pwd->b[9] = pwt->b[8]; + pwd->b[8] = pws->b[8]; +#else pwd->b[0] = pwt->b[8]; pwd->b[1] = pws->b[8]; pwd->b[2] = pwt->b[9]; @@ -1929,8 +1947,19 @@ void helper_msa_ilvl_df(CPUMIPSState *env, uint32_t df, uint32_t wd, pwd->b[13] = pws->b[14]; pwd->b[14] = pwt->b[15]; pwd->b[15] = pws->b[15]; +#endif break; case DF_HALF: +#if defined(TARGET_WORDS_BIGENDIAN) + pwd->h[3] = pwt->h[7]; + pwd->h[2] = pws->h[7]; + pwd->h[1] = pwt->h[6]; + pwd->h[0] = pws->h[6]; + pwd->h[7] = pwt->h[5]; + pwd->h[6] = pws->h[5]; + pwd->h[5] = pwt->h[4]; + pwd->h[4] = pws->h[4]; +#else pwd->h[0] = pwt->h[4]; pwd->h[1] = pws->h[4]; pwd->h[2] = pwt->h[5]; @@ -1939,12 +1968,20 @@ void helper_msa_ilvl_df(CPUMIPSState *env, uint32_t df, uint32_t wd, pwd->h[5] = pws->h[6]; pwd->h[6] = pwt->h[7]; pwd->h[7] = pws->h[7]; +#endif break; case DF_WORD: +#if defined(TARGET_WORDS_BIGENDIAN) + pwd->w[1] = pwt->w[3]; + pwd->w[0] = pws->w[3]; + pwd->w[3] = pwt->w[2]; + pwd->w[2] = pws->w[2]; +#else pwd->w[0] = pwt->w[2]; pwd->w[1] = pws->w[2]; pwd->w[2] = pwt->w[3]; pwd->w[3] = pws->w[3]; +#endif break; case DF_DOUBLE: pwd->d[0] = pwt->d[1]; -- GitLab