https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71453
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|SUSPENDED |NEW
CC|izamyatin at gmail dot com |crazylht at gmail dot
com,
| |skpgkp2 at gmail dot com
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
commit 0ccf1b9d72ec54742f14d0ded84fa34cb5a48e5b
Author: uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed Aug 28 15:09:51 2019 +0000
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index f3b3a9a326fd..d2d84eb11663 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -18617,9 +18617,9 @@ ix86_register_move_cost (machine_mode mode, reg_class_t
class1_i,
where integer modes in SSE registers are not tieable
because of missing QImode and HImode moves to, from or between
MMX/SSE registers. */
- return MAX (8, SSE_CLASS_P (class1)
- ? ix86_cost->hard_register.sse_to_integer
- : ix86_cost->hard_register.integer_to_sse);
+ return (SSE_CLASS_P (class1)
+ ? ix86_cost->hard_register.sse_to_integer
+ : ix86_cost->hard_register.integer_to_sse);
if (MAYBE_FLOAT_CLASS_P (class1))
return ix86_cost->hard_register.fp_move;
removed the cost floor on inter-unit moves. It results in spills to
vector registers.
