[Guile-commits] 03/03: Avoid saving IP for <? fast-path

[Andy Wingo]

wingo pushed a commit to branch master
in repository guile.

commit 12d6e4317657e4334306b1345a09a11b0e256fa3
Author: Andy Wingo <address@hidden>
Date:   Thu Jun 6 14:33:43 2019 +0200

    Avoid saving IP for <? fast-path
    
    * libguile/jit.c (compile_less): Only save IP on slow-path.
---
 libguile/jit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libguile/jit.c b/libguile/jit.c
index a7cd5d9..d09c3ad 100644
--- a/libguile/jit.c
+++ b/libguile/jit.c
@@ -3282,13 +3282,13 @@ compile_less (scm_jit_state *j, uint16_t a, uint16_t b)
   uint32_t *target;
   enum scm_opcode op = fuse_conditional_branch (j, &target);
 
-  emit_store_current_ip (j, T0);
   emit_sp_ref_scm (j, T0, a);
   emit_sp_ref_scm (j, T1, b);
 
   emit_andr (j, T2, T0, T1);
   fast = jit_bmsi (j->jit, T2, scm_tc2_int);
 
+  emit_store_current_ip (j, T2);
   emit_call_2 (j, scm_vm_intrinsics.less_p,
                jit_operand_gpr (JIT_OPERAND_ABI_POINTER, T0),
                jit_operand_gpr (JIT_OPERAND_ABI_POINTER, T1));