diff options
Diffstat (limited to 'src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c')
| -rw-r--r-- | src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c b/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c index f8568f690b..1bd9f1c8dd 100644 --- a/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c +++ b/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c @@ -958,9 +958,12 @@ spe_compare_greater_uint(struct spe_function *p, unsigned rT, unsigned rA, unsig void spe_splat(struct spe_function *p, unsigned rT, unsigned rA) { + /* Use a temporary, just in case rT == rA */ + unsigned int tmp_reg = spe_allocate_available_register(p); /* Duplicate bytes 0, 1, 2, and 3 across the whole register */ - spe_ila(p, rT, 0x00010203); - spe_shufb(p, rT, rA, rA, rT); + spe_ila(p, tmp_reg, 0x00010203); + spe_shufb(p, rT, rA, rA, tmp_reg); + spe_release_register(p, tmp_reg); } |