Adding __attribute__ ((optnone)) to set_zero in src/xenia/cpu/hir/value.h

constant_propagation_pass.diff

--- /proc/self/fd/11	2019-03-09 21:47:38.316521355 -0500
+++ /proc/self/fd/13	2019-03-09 21:47:38.316521355 -0500
@@ -1,5 +1,5 @@
 
-opt/constant_propagation_pass.o:     file format elf64-x86-64
+noopt/constant_propagation_pass.o:     file format elf64-x86-64
 architecture: i386:x86-64, flags 0x00000011:
 HAS_RELOC, HAS_SYMS
 start address 0x0000000000000000
@@ -3027,15 +3027,24 @@
 Disassembly of section .text._ZN2xe3cpu3hir5Value8set_zeroENS1_8TypeNameE:
 
 0000000000000000 <xe::cpu::hir::Value::set_zero(xe::cpu::hir::TypeName)>:
-  void set_zero(TypeName new_type) {
+  void set_zero(TypeName new_type) __attribute__ ((optnone)){
+   0:	48 89 7c 24 f8       	mov    %rdi,-0x8(%rsp)
+   5:	89 74 24 f4          	mov    %esi,-0xc(%rsp)
+   9:	48 8b 44 24 f8       	mov    -0x8(%rsp),%rax
     type = new_type;
-   0:	89 77 04             	mov    %esi,0x4(%rdi)
+   e:	8b 4c 24 f4          	mov    -0xc(%rsp),%ecx
+  12:	89 48 04             	mov    %ecx,0x4(%rax)
     flags |= VALUE_IS_CONSTANT;
-   3:	80 4f 08 02          	orb    $0x2,0x8(%rdi)
+  15:	8b 48 08             	mov    0x8(%rax),%ecx
+  18:	83 c9 02             	or     $0x2,%ecx
+  1b:	89 48 08             	mov    %ecx,0x8(%rax)
     constant.v128.low = constant.v128.high = 0;
-   7:	c5 f8 57 c0          	vxorps %xmm0,%xmm0,%xmm0
-   b:	c5 f8 29 47 20       	vmovaps %xmm0,0x20(%rdi)
+  1e:	48 c7 40 28 00 00 00 	movq   $0x0,0x28(%rax)
+  25:	00 
+  26:	48 c7 40 20 00 00 00 	movq   $0x0,0x20(%rax)
+  2d:	00 
   }
-  10:	c3                   	retq   
+  2e:	c3                   	retq   
 
 Disassembly of section .text._ZN2xe3cpu8compiler6passes23ConditionalGroupSubpass3RunEPNS0_3hir10HIRBuilderE: