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authorAleksandar Markovic2019-06-20 15:45:48 +0200
committerAleksandar Markovic2019-06-21 11:31:10 +0200
commit8e74bceb00120b23f0931e4e4478d1b10e0970d4 (patch)
tree040546d1aa5aba6fb058ba86c0f3669751cac050 /target
parenttarget/mips: Fix emulation of ILVOD.<B|H|W> on big endian host (diff)
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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.c37
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];