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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-09-23 12:11:45 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-09-30 05:34:37 -0700 |
| commit | 46183c96d2aea8181efb6bc3cfdb221987fe002d (patch) | |
| tree | 1e4fce32da5981a4c7bf6e62dcb6167563d9b80e /gcc/config | |
| parent | 4c0eb14bc8553d6e97f1cf70276c6a4fa67b7c38 (diff) | |
| download | gcc-46183c96d2aea8181efb6bc3cfdb221987fe002d.zip gcc-46183c96d2aea8181efb6bc3cfdb221987fe002d.tar.gz gcc-46183c96d2aea8181efb6bc3cfdb221987fe002d.tar.bz2 | |
x86: Use SET operation in MOVDIRI and MOVDIR64B
Since MOVDIRI and MOVDIR64B write to memory, similar to UNSPEC_MOVNT,
use SET operation in MOVDIRI and MOVDIR64B patterns with UNSPEC instead
of UNSPECV.
gcc/
PR target/97184
* config/i386/i386.md (UNSPECV_MOVDIRI): Renamed to ...
(UNSPEC_MOVDIRI): This.
(UNSPECV_MOVDIR64B): Renamed to ...
(UNSPEC_MOVDIR64B): This.
(movdiri<mode>): Use SET operation.
(@movdir64b_<mode>): Likewise.
gcc/testsuite/
PR target/97184
* gcc.target/i386/movdir64b.c: New test.
* gcc.target/i386/movdiri32.c: Likewise.
* gcc.target/i386/movdiri64.c: Likewise.
* lib/target-supports.exp (check_effective_target_movdir): New.
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/i386/i386.md | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 93aae81..9dd12cf 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -186,6 +186,10 @@ ;; IRET support UNSPEC_INTERRUPT_RETURN + + ;; For MOVDIRI and MOVDIR64B support + UNSPEC_MOVDIRI + UNSPEC_MOVDIR64B ]) (define_c_enum "unspecv" [ @@ -280,10 +284,6 @@ UNSPECV_SETSSBSY UNSPECV_CLRSSBSY - ;; For MOVDIRI and MOVDIR64B support - UNSPECV_MOVDIRI - UNSPECV_MOVDIR64B - ;; For TSXLDTRK support UNSPECV_XSUSLDTRK UNSPECV_XRESLDTRK @@ -21531,17 +21531,17 @@ ;; MOVDIRI and MOVDIR64B (define_insn "movdiri<mode>" - [(unspec_volatile:SWI48 [(match_operand:SWI48 0 "memory_operand" "m") - (match_operand:SWI48 1 "register_operand" "r")] - UNSPECV_MOVDIRI)] + [(set (match_operand:SWI48 0 "memory_operand" "=m") + (unspec:SWI48 [(match_operand:SWI48 1 "register_operand" "r")] + UNSPEC_MOVDIRI))] "TARGET_MOVDIRI" "movdiri\t{%1, %0|%0, %1}" [(set_attr "type" "other")]) (define_insn "@movdir64b_<mode>" - [(unspec_volatile:XI [(match_operand:P 0 "register_operand" "r") - (match_operand:XI 1 "memory_operand")] - UNSPECV_MOVDIR64B)] + [(set (mem:XI (match_operand:P 0 "register_operand" "r")) + (unspec:XI [(match_operand:XI 1 "memory_operand" "m")] + UNSPEC_MOVDIR64B))] "TARGET_MOVDIR64B" "movdir64b\t{%1, %0|%0, %1}" [(set_attr "type" "other")]) |