diff options
Diffstat (limited to 'src/gallium/auxiliary/rtasm')
| -rw-r--r-- | src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c b/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c index 5b0f6bdd482..d0bacd08a67 100644 --- a/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c +++ b/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c @@ -552,14 +552,19 @@ spe_comment(struct spe_function *p, int rel_indent, const char *s) /** * Load quad word. - * NOTE: imm is in bytes and the least significant 4 bits must be zero! + * NOTE: offset is in bytes and the least significant 4 bits must be zero! */ void spe_lqd(struct spe_function *p, unsigned rT, unsigned rA, int offset) { const boolean pSave = p->print; - p->print = FALSE; + /* offset must be a multiple of 16 */ assert(offset % 16 == 0); + /* offset must fit in 10-bit signed int field, after shifting */ + assert((offset >> 4) <= 511); + assert((offset >> 4) >= -512); + + p->print = FALSE; emit_RI10(p, 0x034, rT, rA, offset >> 4, "spe_lqd"); p->print = pSave; @@ -572,14 +577,19 @@ void spe_lqd(struct spe_function *p, unsigned rT, unsigned rA, int offset) /** * Store quad word. - * NOTE: imm is in bytes and the least significant 4 bits must be zero! + * NOTE: offset is in bytes and the least significant 4 bits must be zero! */ void spe_stqd(struct spe_function *p, unsigned rT, unsigned rA, int offset) { const boolean pSave = p->print; - p->print = FALSE; + /* offset must be a multiple of 16 */ assert(offset % 16 == 0); + /* offset must fit in 10-bit signed int field, after shifting */ + assert((offset >> 4) <= 511); + assert((offset >> 4) >= -512); + + p->print = FALSE; emit_RI10(p, 0x024, rT, rA, offset >> 4, "spe_stqd"); p->print = pSave; |