AREG, DREG, CREG and AD_REGS are kept in ix86_class_likely_spilled_p to
avoid the following regressions with
$ make check RUNTESTFLAGS="--target_board='unix{-m32,}'"
FAIL: gcc.dg/pr105911.c (internal compiler error: in lra_split_hard_reg_for, at
lra-assigns.cc:1863)
FAIL: gcc.dg/pr105911.c (test for excess errors)
FAIL: gcc.target/i386/avx512vl-stv-rotatedi-1.c scan-assembler-times vpro[lr]q
29
FAIL: gcc.target/i386/bt-7.c scan-assembler-not and[lq][ \t]
FAIL: gcc.target/i386/naked-4.c scan-assembler-not %[re]bp
FAIL: gcc.target/i386/pr107548-1.c scan-assembler-not addl
FAIL: gcc.target/i386/pr107548-1.c scan-assembler-times \tv?movd\t 3
FAIL: gcc.target/i386/pr107548-1.c scan-assembler-times v?paddd 6
FAIL: gcc.target/i386/pr107548-2.c scan-assembler-not \taddq\t
FAIL: gcc.target/i386/pr107548-2.c scan-assembler-times v?paddq 2
FAIL: gcc.target/i386/pr119171-1.c (test for excess errors)
FAIL: gcc.target/i386/pr57189.c scan-assembler-not movaps
FAIL: gcc.target/i386/pr57189.c scan-assembler-not movaps
FAIL: gcc.target/i386/pr78904-1b.c scan-assembler [ \t]andb
FAIL: gcc.target/i386/pr78904-1b.c scan-assembler [ \t]orb
FAIL: gcc.target/i386/pr78904-7b.c scan-assembler-not movzbl
FAIL: gcc.target/i386/pr78904-7b.c scan-assembler [ \t]orb
FAIL: gcc.target/i386/pr91188-2c.c scan-assembler [ \t]andw
Tested with glibc master branch at
commit ccdb68e829a31e4cda8339ea0d2dc3e51fb81ba5
Author: Samuel Thibault <samuel.thiba...@ens-lyon.org>
Date: Sun Mar 2 15:16:45 2025 +0100
htl: move pthread_once into libc
and built Linux kernel 6.13.5 on x86-64.
PR target/119083
* config/i386/i386.cc (ix86_class_likely_spilled_p): Remove CREG
and BREG.
Signed-off-by: H.J. Lu <hjl.to...@gmail.com>
---
gcc/config/i386/i386.cc | 1 -
1 file changed, 1 deletion(-)
diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc
index fcdfb3f1f5c..ddefc0f88d9 100644
--- a/gcc/config/i386/i386.cc
+++ b/gcc/config/i386/i386.cc
@@ -20757,7 +20757,6 @@ ix86_class_likely_spilled_p (reg_class_t rclass)
case AREG:
case DREG:
case CREG:
- case BREG:
case AD_REGS:
case SIREG:
case DIREG:
--
2.49.0
