From: Marek Olšák <marek.ol...@amd.com>
So far it has been compiled into pretty ugly code (8 instructions or so
for either opcode).
---
src/gallium/drivers/radeonsi/si_shader.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index ee08d1a..973bac2 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -2792,6 +2792,13 @@ 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);
--
2.1.0
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