diff options
| author | Marek Olšák <[email protected]> | 2014-11-20 22:16:09 +0100 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2014-11-21 12:15:58 +0100 |
| commit | 645b471d619b654d3bacfa8598f759833e08db4e (patch) | |
| tree | df1ae1582454d5b0627669998f8985cfaecc765d | |
| parent | 21577571b37e68edc0422fbf80932588a4614abc (diff) | |
radeonsi: use minnum and maxnum LLVM intrinsics for MIN and MAX opcodes
So far it has been compiled into pretty ugly code (8 instructions or so
for either opcode).
Reviewed-by: Tom Stellard <[email protected]>
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 40a2f906414..037811edd18 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -2737,6 +2737,13 @@ int si_shader_create(struct si_screen *sscreen, struct si_shader *shader) bld_base->op_actions[TGSI_OPCODE_EMIT].emit = si_llvm_emit_vertex; bld_base->op_actions[TGSI_OPCODE_ENDPRIM].emit = si_llvm_emit_primitive; + if (HAVE_LLVM >= 0x0306) { + bld_base->op_actions[TGSI_OPCODE_MAX].emit = build_tgsi_intrinsic_nomem; + bld_base->op_actions[TGSI_OPCODE_MAX].intr_name = "llvm.maxnum.f32"; + bld_base->op_actions[TGSI_OPCODE_MIN].emit = build_tgsi_intrinsic_nomem; + bld_base->op_actions[TGSI_OPCODE_MIN].intr_name = "llvm.minnum.f32"; + } + si_shader_ctx.radeon_bld.load_system_value = declare_system_value; si_shader_ctx.tokens = sel->tokens; tgsi_parse_init(&si_shader_ctx.parse, si_shader_ctx.tokens); |