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Use [(const_int 0)] idiom consistently in i386.md

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This cleans up the use of [(clobber (const_int 0))] in the i386 backend.

2023-05-10  Roger Sayle  <roger@nextmovesoftware.com>

gcc/ChangeLog
	* config/i386/i386.md (*concat<mode><dwi>3_1): Use preferred
	[(const_int 0)] idiom, instead of [(clobber (const_int 0))].
	(*concat<mode><dwi>3_2): Likewise.
	(*concat<mode><dwi>3_3): Likewise.
	(*concat<mode><dwi>3_4): Likewise.
	(*concat<mode><dwi>3_5): Likewise.
	(*concat<mode><dwi>3_6): Likewise.
	(*concat<mode><dwi>3_7): Likewise.
This commit is contained in:
Roger Sayle 2023-05-10 22:10:49 +01:00
parent 62c4d34ec0
commit 475904f710
1 changed files with 7 additions and 7 deletions
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14
gcc/config/i386/i386.md
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@ -11609,7 +11609,7 @@
"INTVAL (operands[2]) == <MODE_SIZE> * BITS_PER_UNIT"
"#"
"&& reload_completed"
[(clobber (const_int 0))]
[(const_int 0)]
{
split_double_concat (<DWI>mode, operands[0], operands[3],
gen_lowpart (<MODE>mode, operands[1]));
@ -11626,7 +11626,7 @@
"INTVAL (operands[3]) == <MODE_SIZE> * BITS_PER_UNIT"
"#"
"&& reload_completed"
[(clobber (const_int 0))]
[(const_int 0)]
{
split_double_concat (<DWI>mode, operands[0], operands[1],
gen_lowpart (<MODE>mode, operands[2]));
@ -11645,7 +11645,7 @@
"INTVAL (operands[2]) == <MODE_SIZE> * BITS_PER_UNIT"
"#"
"&& reload_completed"
[(clobber (const_int 0))]
[(const_int 0)]
{
split_double_concat (<DWI>mode, operands[0], operands[3], operands[1]);
DONE;
@ -11663,7 +11663,7 @@
"INTVAL (operands[3]) == <MODE_SIZE> * BITS_PER_UNIT"
"#"
"&& reload_completed"
[(clobber (const_int 0))]
[(const_int 0)]
{
split_double_concat (<DWI>mode, operands[0], operands[1], operands[2]);
DONE;
@ -11690,7 +11690,7 @@
VOIDmode))"
"#"
"&& reload_completed"
[(clobber (const_int 0))]
[(const_int 0)]
{
rtx op3 = simplify_subreg (<HALF>mode, operands[3], <MODE>mode, 0);
split_double_concat (<MODE>mode, operands[0], op3,
@ -11722,7 +11722,7 @@
VOIDmode))"
"#"
"&& reload_completed"
[(clobber (const_int 0))]
[(const_int 0)]
{
rtx op3 = simplify_subreg (<MODE>mode, operands[3], <DWI>mode, 0);
split_double_concat (<DWI>mode, operands[0], op3, operands[1]);
@ -11748,7 +11748,7 @@
VOIDmode)"
"#"
"&& reload_completed"
[(clobber (const_int 0))]
[(const_int 0)]
{
rtx op2;
if (<DWI>mode == DImode)