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i965/fs: Add a helper function for detecting math opcodes.

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This commit is contained in:
Eric Anholt 2011-01-18 22:48:11 -08:00
parent 1991d92207
commit 382c2d99da
2 changed files with 13 additions and 8 deletions
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9
src/mesa/drivers/dri/i965/brw_fs.cpp
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@ -3138,14 +3138,7 @@ fs_visitor::compute_to_mrf()
/* gen6 math instructions must have the destination be
* GRF, so no compute-to-MRF for them.
*/
if (scan_inst->opcode == FS_OPCODE_RCP ||
scan_inst->opcode == FS_OPCODE_RSQ ||
scan_inst->opcode == FS_OPCODE_SQRT ||
scan_inst->opcode == FS_OPCODE_EXP2 ||
scan_inst->opcode == FS_OPCODE_LOG2 ||
scan_inst->opcode == FS_OPCODE_SIN ||
scan_inst->opcode == FS_OPCODE_COS ||
scan_inst->opcode == FS_OPCODE_POW) {
if (scan_inst->is_math()) {
break;
}
}

12
src/mesa/drivers/dri/i965/brw_fs.h
View file

@ -313,6 +313,18 @@ public:
opcode == FS_OPCODE_TXL);
}
bool is_math()
{
return (opcode == FS_OPCODE_RCP ||
opcode == FS_OPCODE_RSQ ||
opcode == FS_OPCODE_SQRT ||
opcode == FS_OPCODE_EXP2 ||
opcode == FS_OPCODE_LOG2 ||
opcode == FS_OPCODE_SIN ||
opcode == FS_OPCODE_COS ||
opcode == FS_OPCODE_POW);
}
int opcode; /* BRW_OPCODE_* or FS_OPCODE_* */
fs_reg dst;
fs_reg src[3];