yuzu/unicorn
1
0
Fork 0
mirror of https://github.com/yuzu-emu/unicorn.git synced 2025-04-19 03:51:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

target/mips: Fix emulation of ILVOD.<B|H|W> on big endian host

Browse source 
Fix emulation of ILVOD.<B|H|W> on big endian host by applying
mapping of data element indexes from one endian to another.

Backports commit b000169e4ed44a3925b6fd22fa0dd6e22bb02b81 from qemu
This commit is contained in:
Aleksandar Markovic 2019-06-30 19:54:34 -04:00 committed by Lioncash
parent 17dd65b771
commit 929bd90968
No known key found for this signature in database
GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 37 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

37
qemu/target/mips/msa_helper.c
View file

@ -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];