openkylin
/
qemu
mirror of https://gitee.com/openkylin/qemu.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

target/mips: Fix emulation of MSA pack instructions on big endian hosts 

Fix emulation of MSA pack instructions on big endian hosts.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1563812573-30309-3-git-send-email-aleksandar.markovic@rt-rk.com>
This commit is contained in:
Aleksandar Markovic 2019-07-22 18:22:53 +02:00
parent 45152d0502
commit 5122958258
1 changed files with 74 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
target/mips/msa_helper.c
View File

@ -2113,6 +2113,24 @@ void helper_msa_pckev_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
switch (df) {
case DF_BYTE:
#if defined(HOST_WORDS_BIGENDIAN)
pwd->b[8] = pws->b[9];
pwd->b[10] = pws->b[13];
pwd->b[12] = pws->b[1];
pwd->b[14] = pws->b[5];
pwd->b[0] = pwt->b[9];
pwd->b[2] = pwt->b[13];
pwd->b[4] = pwt->b[1];
pwd->b[6] = pwt->b[5];
pwd->b[9] = pws->b[11];
pwd->b[13] = pws->b[3];
pwd->b[1] = pwt->b[11];
pwd->b[5] = pwt->b[3];
pwd->b[11] = pws->b[15];
pwd->b[3] = pwt->b[15];
pwd->b[15] = pws->b[7];
pwd->b[7] = pwt->b[7];
#else
pwd->b[15] = pws->b[14];
pwd->b[13] = pws->b[10];
pwd->b[11] = pws->b[6];
@ -2129,8 +2147,19 @@ void helper_msa_pckev_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
pwd->b[4] = pwt->b[8];
pwd->b[8] = pws->b[0];
pwd->b[0] = pwt->b[0];
#endif
break;
case DF_HALF:
#if defined(HOST_WORDS_BIGENDIAN)
pwd->h[4] = pws->h[5];
pwd->h[6] = pws->h[1];
pwd->h[0] = pwt->h[5];
pwd->h[2] = pwt->h[1];
pwd->h[5] = pws->h[7];
pwd->h[1] = pwt->h[7];
pwd->h[7] = pws->h[3];
pwd->h[3] = pwt->h[3];
#else
pwd->h[7] = pws->h[6];
pwd->h[5] = pws->h[2];
pwd->h[3] = pwt->h[6];
@ -2139,12 +2168,20 @@ void helper_msa_pckev_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
pwd->h[2] = pwt->h[4];
pwd->h[4] = pws->h[0];
pwd->h[0] = pwt->h[0];
#endif
break;
case DF_WORD:
#if defined(HOST_WORDS_BIGENDIAN)
pwd->w[2] = pws->w[3];
pwd->w[0] = pwt->w[3];
pwd->w[3] = pws->w[1];
pwd->w[1] = pwt->w[1];
#else
pwd->w[3] = pws->w[2];
pwd->w[1] = pwt->w[2];
pwd->w[2] = pws->w[0];
pwd->w[0] = pwt->w[0];
#endif
break;
case DF_DOUBLE:
pwd->d[1] = pws->d[0];
@ -2164,6 +2201,24 @@ void helper_msa_pckod_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
switch (df) {
case DF_BYTE:
#if defined(HOST_WORDS_BIGENDIAN)
pwd->b[7] = pwt->b[6];
pwd->b[5] = pwt->b[2];
pwd->b[3] = pwt->b[14];
pwd->b[1] = pwt->b[10];
pwd->b[15] = pws->b[6];
pwd->b[13] = pws->b[2];
pwd->b[11] = pws->b[14];
pwd->b[9] = pws->b[10];
pwd->b[6] = pwt->b[4];
pwd->b[2] = pwt->b[12];
pwd->b[14] = pws->b[4];
pwd->b[10] = pws->b[12];
pwd->b[4] = pwt->b[0];
pwd->b[12] = pws->b[0];
pwd->b[0] = pwt->b[8];
pwd->b[8] = pws->b[8];
#else
pwd->b[0] = pwt->b[1];
pwd->b[2] = pwt->b[5];
pwd->b[4] = pwt->b[9];
@ -2180,8 +2235,19 @@ void helper_msa_pckod_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
pwd->b[11] = pws->b[7];
pwd->b[7] = pwt->b[15];
pwd->b[15] = pws->b[15];
#endif
break;
case DF_HALF:
#if defined(HOST_WORDS_BIGENDIAN)
pwd->h[3] = pwt->h[2];
pwd->h[1] = pwt->h[6];
pwd->h[7] = pws->h[2];
pwd->h[5] = pws->h[6];
pwd->h[2] = pwt->h[0];
pwd->h[6] = pws->h[0];
pwd->h[0] = pwt->h[4];
pwd->h[4] = pws->h[4];
#else
pwd->h[0] = pwt->h[1];
pwd->h[2] = pwt->h[5];
pwd->h[4] = pws->h[1];
@ -2190,12 +2256,20 @@ void helper_msa_pckod_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
pwd->h[5] = pws->h[3];
pwd->h[3] = pwt->h[7];
pwd->h[7] = pws->h[7];
#endif
break;
case DF_WORD:
#if defined(HOST_WORDS_BIGENDIAN)
pwd->w[1] = pwt->w[0];
pwd->w[3] = pws->w[0];
pwd->w[0] = pwt->w[2];
pwd->w[2] = pws->w[2];
#else
pwd->w[0] = pwt->w[1];
pwd->w[2] = pws->w[1];
pwd->w[1] = pwt->w[3];
pwd->w[3] = pws->w[3];
#endif
break;
case DF_DOUBLE:
pwd->d[0] = pwt->d[1];