From 066d1e024c27d8171667ed28ff209ec24e031aba Mon Sep 17 00:00:00 2001
From: Joshua Haberman <joshua@reverberate.org>
Date: Mon, 4 Apr 2011 00:09:14 -0700
Subject: Speed up parsetostruct by using type-specialized callbacks.

---
 src/upb_decoder_x86.dasc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/upb_decoder_x86.dasc')

diff --git a/src/upb_decoder_x86.dasc b/src/upb_decoder_x86.dasc
index ecd9899..5e85bd9 100644
--- a/src/upb_decoder_x86.dasc
+++ b/src/upb_decoder_x86.dasc
@@ -188,9 +188,11 @@ void __attribute__((noinline)) __jit_debug_register_code() { __asm__ __volatile_
 |// TODO: optimize for 0 (xor) and 32-bits.
 |.macro loadfval, f
 || if (f->fval.val.uint64 == 0) {
-|    xor ARG2_32, ARG2_32
+|    xor     ARG2_32, ARG2_32
+|| } else if (f->fval.val.uint64 < 0xffffffff) {
+|    mov     ARG2_32, f->fval.val.uint64
 || } else {
-|    mov   ARG2_64, f->fval.val.uint64
+|    mov64   ARG2_64, f->fval.val.uint64
 || }
 |.endmacro
 
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