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author | Aleksandar Markovic | 2019-06-20 15:45:48 +0200 |
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committer | Aleksandar Markovic | 2019-06-21 11:31:10 +0200 |
commit | 8e74bceb00120b23f0931e4e4478d1b10e0970d4 (patch) | |
tree | 040546d1aa5aba6fb058ba86c0f3669751cac050 /target | |
parent | target/mips: Fix emulation of ILVOD.<B|H|W> on big endian host (diff) | |
download | qemu-8e74bceb00120b23f0931e4e4478d1b10e0970d4.tar.gz qemu-8e74bceb00120b23f0931e4e4478d1b10e0970d4.tar.xz qemu-8e74bceb00120b23f0931e4e4478d1b10e0970d4.zip |
target/mips: Fix emulation of ILVL.<B|H|W> on big endian host
Fix emulation of ILVL.<B|H|W> on big endian host by applying
mapping of data element indexes from one endian to another.
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1561038349-17105-4-git-send-email-aleksandar.markovic@rt-rk.com>
Diffstat (limited to 'target')
-rw-r--r-- | target/mips/msa_helper.c | 37 |
1 files changed, 37 insertions, 0 deletions
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]; |