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Disable llvm.prefetch for PowerPC

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This instruction is not supported on this backend, so should
just be a noop.
This commit is contained in:
Cody Tapscott 2022-10-08 11:32:32 -07:00
parent 6e6ae8886e
commit db9058e41a
2 changed files with 11 additions and 1 deletions
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8
src/codegen/llvm.zig
View File

@ -9168,7 +9168,13 @@ pub const FuncGen = struct {
const target = self.dg.module.getTarget();
switch (prefetch.cache) {
.instruction => switch (target.cpu.arch) {
.x86_64, .i386 => return null,
.x86_64,
.i386,
.powerpc,
.powerpcle,
.powerpc64,
.powerpc64le,
=> return null,
.arm, .armeb, .thumb, .thumbeb => {
switch (prefetch.rw) {
.write => return null,

4
src/stage1/codegen.cpp
View File

@ -6742,6 +6742,10 @@ static LLVMValueRef ir_render_prefetch(CodeGen *g, Stage1Air *executable, Stage1
switch (g->zig_target->arch) {
case ZigLLVM_x86:
case ZigLLVM_x86_64:
case ZigLLVM_ppc:
case ZigLLVM_ppcle:
case ZigLLVM_ppc64:
case ZigLLVM_ppc64le:
return nullptr;
default:
break;