File 1166-Simplify-type-tests-for-the-div-and-rem-op... of Package erlang

Overview Repositories Revisions Requests Users Attributes Meta

File 1166-Simplify-type-tests-for-the-div-and-rem-operators.patch of Package erlang (Revision db1acd30fa2136b2cf32ed954074cb8e)

Currently displaying revision db1acd30fa2136b2cf32ed954074cb8e , Show latest

From 0e8f02a364b610448adcaf41ec2c6ffd4a81f7b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Sat, 10 Sep 2022 07:16:46 +0200
Subject: [PATCH 6/7] Simplify type tests for the div and rem operators

---
 erts/emulator/beam/jit/x86/instr_arith.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/erts/emulator/beam/jit/x86/instr_arith.cpp b/erts/emulator/beam/jit/x86/instr_arith.cpp
index 9e5747bdf0..b013a00e11 100644
--- a/erts/emulator/beam/jit/x86/instr_arith.cpp
+++ b/erts/emulator/beam/jit/x86/instr_arith.cpp
@@ -711,8 +711,7 @@ void BeamModuleAssembler::emit_div_rem(const ArgLabel &Fail,
         } else if (always_one_of(LHS, BEAM_TYPE_FLOAT | BEAM_TYPE_INTEGER)) {
             comment("simplified test for small dividend since it is an "
                     "integer");
-            a.mov(ARG2d, x86::eax);
-            a.test(ARG2d, imm(TAG_PRIMARY_LIST));
+            a.test(x86::al, imm(TAG_PRIMARY_LIST));
             a.short_().je(generic_div);
         } else {
             comment("testing for a small dividend");
-- 
2.35.3

Places

File 1166-Simplify-type-tests-for-the-div-and-rem-operators.patch of Package erlang (Revision db1acd30fa2136b2cf32ed954074cb8e)

Places