radeonsi: remove the unsafemath debug option

unlikely to be used in the future

Reviewed-by: Pierre-Eric Pelloux-Prayer <[email protected]>

4 files changed, 3 insertions, 25 deletions

diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 6d9cce2619b..4a972c43189 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -59,7 +59,6 @@ static const struct debug_named_value debug_options[] = {
 	{ "preoptir", DBG(PREOPT_IR), "Print the LLVM IR before initial optimizations" },
 
 	/* Shader compiler options the shader cache should be aware of: */
-	{ "unsafemath", DBG(UNSAFE_MATH), "Enable unsafe math shader optimizations" },
 	{ "sisched", DBG(SI_SCHED), "Enable LLVM SI Machine Instruction Scheduler." },
 	{ "gisel", DBG(GISEL), "Enable LLVM global instruction selector." },
 	{ "w32ge", DBG(W32_GE), "Use Wave32 for vertex, tessellation, and geometry shaders." },
@@ -872,7 +871,6 @@ static void si_disk_cache_create(struct si_screen *sscreen)
 	#define ALL_FLAGS (DBG(FS_CORRECT_DERIVS_AFTER_KILL) |	\
 			   DBG(SI_SCHED) |			\
 			   DBG(GISEL) |				\
-			   DBG(UNSAFE_MATH) |			\
 			   DBG(W32_GE) |			\
 			   DBG(W32_PS) |			\
 			   DBG(W32_CS) |			\
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index ddc1ce0c6de..7fd13cfa9e7 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -145,7 +145,6 @@ enum {
 
 	/* Shader compiler options the shader cache should be aware of: */
 	DBG_FS_CORRECT_DERIVS_AFTER_KILL,
-	DBG_UNSAFE_MATH,
 	DBG_SI_SCHED,
 	DBG_GISEL,
 	DBG_W32_GE,
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index f7087c1adca..ea749becdde 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -4459,22 +4459,6 @@ void si_create_function(struct si_shader_context *ctx,
 	LLVMAddTargetDependentFunctionAttr(ctx->main_fn,
 					   "no-signed-zeros-fp-math",
 					   "true");
-
-	if (ctx->screen->debug_flags & DBG(UNSAFE_MATH)) {
-		/* These were copied from some LLVM test. */
-		LLVMAddTargetDependentFunctionAttr(ctx->main_fn,
-						   "less-precise-fpmad",
-						   "true");
-		LLVMAddTargetDependentFunctionAttr(ctx->main_fn,
-						   "no-infs-fp-math",
-						   "true");
-		LLVMAddTargetDependentFunctionAttr(ctx->main_fn,
-						   "no-nans-fp-math",
-						   "true");
-		LLVMAddTargetDependentFunctionAttr(ctx->main_fn,
-						   "unsafe-fp-math",
-						   "true");
-	}
 }
 
 static void declare_streamout_params(struct si_shader_context *ctx,
diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
index e51250c2dac..2c1b3ebba77 100644
--- a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
+++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
@@ -967,13 +967,10 @@ void si_llvm_context_init(struct si_shader_context *ctx,
 	ctx->screen = sscreen;
 	ctx->compiler = compiler;
 
-	enum ac_float_mode float_mode =
-		sscreen->debug_flags & DBG(UNSAFE_MATH) ?
-			AC_FLOAT_MODE_UNSAFE_FP_MATH :
-			AC_FLOAT_MODE_NO_SIGNED_ZEROS_FP_MATH;
-
 	ac_llvm_context_init(&ctx->ac, compiler, sscreen->info.chip_class,
-			     sscreen->info.family, float_mode, wave_size);
+			     sscreen->info.family,
+			     AC_FLOAT_MODE_NO_SIGNED_ZEROS_FP_MATH,
+			     wave_size);
 
 	ctx->gallivm.context = ctx->ac.context;
 	ctx->gallivm.module = ctx->ac.module;