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| author | H.J. Lu <hjl.tools@gmail.com> | 2025-08-01 08:34:49 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2025-08-05 05:54:03 -0700 |
| commit | a58d770fa1d17ead3c38417b299cce3f19f392db (patch) | |
| tree | f037a0096feb9c6faad23e7f3b94e02d18b03b67 /gcc | |
| parent | 32b1be7eb434addefe203249746dc6bbdc185403 (diff) | |
| download | gcc-a58d770fa1d17ead3c38417b299cce3f19f392db.zip gcc-a58d770fa1d17ead3c38417b299cce3f19f392db.tar.gz gcc-a58d770fa1d17ead3c38417b299cce3f19f392db.tar.bz2 | |
x86: Update *one_cmplqi_ext<mode>_1
After
commit 965564eafb721f8000013a3112f1bba8d8fae32b
Author: Richard Sandiford <richard.sandiford@arm.com>
Date: Tue Jul 29 15:58:34 2025 +0100
simplify-rtx: Simplify subregs of logic ops
combine generates
(set (zero_extract:SI (reg/v:SI 101 [ a ])
(const_int 8 [0x8])
(const_int 8 [0x8]))
(not:SI (sign_extract:SI (reg:SI 107 [ b ])
(const_int 8 [0x8])
(const_int 8 [0x8]))))
instead of
(set (zero_extract:SI (reg/v:SI 101 [ a ])
(const_int 8 [0x8])
(const_int 8 [0x8]))
(subreg:SI (not:QI (subreg:QI (sign_extract:SI (reg:SI 107 [ b ])
(const_int 8 [0x8])
(const_int 8 [0x8])) 0)) 0))
Update *one_cmplqi_ext<mode>_1 to support the new pattern.
PR target/121306
* config/i386/i386.md (*one_cmplqi_ext<mode>_1): Updated to
support the new pattern.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/i386/i386.md | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index a50475b..a9d1948 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -15351,13 +15351,11 @@ (match_operand 0 "int248_register_operand" "+Q,&Q") (const_int 8) (const_int 8)) - (subreg:SWI248 - (not:QI - (subreg:QI - (match_operator:SWI248 2 "extract_operator" - [(match_operand 1 "int248_register_operand" "0,!Q") - (const_int 8) - (const_int 8)]) 0)) 0))] + (not:SWI248 + (match_operator:SWI248 2 "extract_operator" + [(match_operand 1 "int248_register_operand" "0,!Q") + (const_int 8) + (const_int 8)])))] "" "@ not{b}\t%h0 @@ -15370,11 +15368,8 @@ (match_dup 1) (const_int 8) (const_int 8))) (set (zero_extract:SWI248 (match_dup 0) (const_int 8) (const_int 8)) - (subreg:SWI248 - (not:QI - (subreg:QI - (match_op_dup 2 - [(match_dup 0) (const_int 8) (const_int 8)]) 0)) 0))] + (not:SWI248 + (match_op_dup 2 [(match_dup 0) (const_int 8) (const_int 8)])))] "" [(set_attr "type" "negnot") (set_attr "mode" "QI")]) |