From b000169e4ed44a3925b6fd22fa0dd6e22bb02b81 Mon Sep 17 00:00:00 2001 From: Aleksandar Markovic Date: Thu, 20 Jun 2019 15:45:47 +0200 Subject: [PATCH] target/mips: Fix emulation of ILVOD. on big endian host Fix emulation of ILVOD. 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: <1561038349-17105-3-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 215d8af9cd..9f411c10a6 100644 --- a/target/mips/msa_helper.c +++ b/target/mips/msa_helper.c @@ -1825,6 +1825,24 @@ void helper_msa_ilvod_df(CPUMIPSState *env, uint32_t df, uint32_t wd, switch (df) { case DF_BYTE: +#if defined(TARGET_WORDS_BIGENDIAN) + pwd->b[7] = pwt->b[6]; + pwd->b[6] = pws->b[6]; + pwd->b[5] = pwt->b[4]; + pwd->b[4] = pws->b[4]; + pwd->b[3] = pwt->b[2]; + pwd->b[2] = pws->b[2]; + pwd->b[1] = pwt->b[0]; + pwd->b[0] = pws->b[0]; + pwd->b[15] = pwt->b[14]; + pwd->b[14] = pws->b[14]; + pwd->b[13] = pwt->b[12]; + pwd->b[12] = pws->b[12]; + pwd->b[11] = pwt->b[10]; + pwd->b[10] = pws->b[10]; + pwd->b[9] = pwt->b[8]; + pwd->b[8] = pws->b[8]; +#else pwd->b[0] = pwt->b[1]; pwd->b[1] = pws->b[1]; pwd->b[2] = pwt->b[3]; @@ -1841,8 +1859,19 @@ void helper_msa_ilvod_df(CPUMIPSState *env, uint32_t df, uint32_t wd, pwd->b[13] = pws->b[13]; 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[2]; + pwd->h[2] = pws->h[2]; + pwd->h[1] = pwt->h[0]; + pwd->h[0] = pws->h[0]; + pwd->h[7] = pwt->h[6]; + pwd->h[6] = pws->h[6]; + pwd->h[5] = pwt->h[4]; + pwd->h[4] = pws->h[4]; +#else pwd->h[0] = pwt->h[1]; pwd->h[1] = pws->h[1]; pwd->h[2] = pwt->h[3]; @@ -1851,12 +1880,20 @@ void helper_msa_ilvod_df(CPUMIPSState *env, uint32_t df, uint32_t wd, pwd->h[5] = pws->h[5]; 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[0]; + pwd->w[0] = pws->w[0]; + pwd->w[3] = pwt->w[2]; + pwd->w[2] = pws->w[2]; +#else pwd->w[0] = pwt->w[1]; pwd->w[1] = pws->w[1]; pwd->w[2] = pwt->w[3]; pwd->w[3] = pws->w[3]; +#endif break; case DF_DOUBLE: pwd->d[0] = pwt->d[1]; -- 2.11.0