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re PR target/42891 (ice in extract_insn, at recog.c:2097)

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PR target/42891
	* config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
	in the call to gen_x86_movsicc_0_m1.

testsuite/ChangeLog:

	PR target/42891
	* gcc.target/i386/pr42891.c: New test.

From-SVN: r156327
This commit is contained in:
Uros Bizjak 2010-01-28 18:58:03 +01:00
parent 8c0b91b4ce
commit d819472d13
4 changed files with 32 additions and 10 deletions
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14
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2010-01-28 Uros Bizjak <ubizjak@gmail.com>
PR target/42891
* config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
in the call to gen_x86_movsicc_0_m1.
2010-01-28 Richard Guenther <rguenther@suse.de>
PR tree-optimization/42871
@ -17,7 +23,7 @@
2010-01-28 Razya Ladelsky <razya@il.ibm.com>
* tree-parloops.c (transform_to_exit_first_loop): Update the basic
* tree-parloops.c (transform_to_exit_first_loop): Update the basic
block list passed to gimple_duplicate_sese_tail.
(parallelize_loops): Avoid parallelization when the function
has_nonlocal_label.
@ -91,7 +97,7 @@
PR target/42841
* config/sh/sh.c (find_barrier): Increase length for non delayed
conditional branches.
2010-01-27 Matthias Klose <doko@ubuntu.com>
* configure.ac (gnu-unique-object): Fix ldd version check.
@ -238,8 +244,8 @@
2010-01-21 Andrew Haley <aph@redhat.com>
* gcc.c (process_command): Move lang_specific_driver before
setting cc_libexec_prefix.
* gcc.c (process_command): Move lang_specific_driver before
setting cc_libexec_prefix.
2010-01-21 Richard Guenther <rguenther@suse.de>

10
gcc/config/i386/i386.c
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@ -15381,7 +15381,7 @@ ix86_expand_int_movcc (rtx operands[])
enum rtx_code code = GET_CODE (operands[1]), compare_code;
rtx compare_seq, compare_op;
enum machine_mode mode = GET_MODE (operands[0]);
bool sign_bit_compare_p = false;;
bool sign_bit_compare_p = false;
start_sequence ();
ix86_compare_op0 = XEXP (operands[1], 0);
@ -15422,7 +15422,6 @@ ix86_expand_int_movcc (rtx operands[])
if (!sign_bit_compare_p)
{
rtx flags;
rtx (*insn)(rtx, rtx, rtx);
bool fpcmp = false;
compare_code = GET_CODE (compare_op);
@ -15463,11 +15462,10 @@ ix86_expand_int_movcc (rtx operands[])
tmp = gen_reg_rtx (mode);
if (mode == DImode)
insn = gen_x86_movdicc_0_m1;
emit_insn (gen_x86_movdicc_0_m1 (tmp, flags, compare_op));
else
insn = gen_x86_movsicc_0_m1;
emit_insn (insn (tmp, flags, compare_op));
emit_insn (gen_x86_movsicc_0_m1 (gen_lowpart (SImode, tmp),
flags, compare_op));
}
else
{

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2010-01-28 Uros Bizjak <ubizjak@gmail.com>
PR target/42891
* gcc.target/i386/pr42891.c: New test.
2010-01-28 Richard Guenther <rguenther@suse.de>
PR tree-optimization/42871

13
gcc/testsuite/gcc.target/i386/pr42891.c Normal file
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@ -0,0 +1,13 @@
/* { dg-do compile } */
/* { dg-options "-O2" } */
union B { int i; float f; };
extern void bar (void);
void
foo (union B x, union B y)
{
if (!(y.f > x.i))
bar ();
}