This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
[PATCH v2 03/13] i386: Handle address spaces in movabs patterns
- From: Richard Henderson <rth at redhat dot com>
- To: gcc-patches at gcc dot gnu dot org
- Cc: richard dot guenther at gmail dot com
- Date: Tue, 20 Oct 2015 11:27:03 -1000
- Subject: [PATCH v2 03/13] i386: Handle address spaces in movabs patterns
- Authentication-results: sourceware.org; auth=none
- References: <1445376433-14658-1-git-send-email-rth at redhat dot com>
---
gcc/config/i386/i386.md | 32 ++++++++++++++++++++++++++------
1 file changed, 26 insertions(+), 6 deletions(-)
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index d0c0d23..ccb672d 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -2595,9 +2595,19 @@
[(set (mem:SWI1248x (match_operand:DI 0 "x86_64_movabs_operand" "i,r"))
(match_operand:SWI1248x 1 "nonmemory_operand" "a,r<i>"))]
"TARGET_LP64 && ix86_check_movabs (insn, 0)"
- "@
- movabs{<imodesuffix>}\t{%1, %P0|[%P0], %1}
- mov{<imodesuffix>}\t{%1, %a0|<iptrsize> PTR %a0, %1}"
+{
+ /* Recover the full memory rtx. */
+ operands[0] = SET_DEST (PATTERN (insn));
+ switch (which_alternative)
+ {
+ case 0:
+ return "movabs{<imodesuffix>}\t{%1, %0|%0, %1}";
+ case 1:
+ return "mov{<imodesuffix>}\t{%1, %0|%0, %1}";
+ default:
+ gcc_unreachable ();
+ }
+}
[(set_attr "type" "imov")
(set_attr "modrm" "0,*")
(set_attr "length_address" "8,0")
@@ -2609,9 +2619,19 @@
[(set (match_operand:SWI1248x 0 "register_operand" "=a,r")
(mem:SWI1248x (match_operand:DI 1 "x86_64_movabs_operand" "i,r")))]
"TARGET_LP64 && ix86_check_movabs (insn, 1)"
- "@
- movabs{<imodesuffix>}\t{%P1, %0|%0, [%P1]}
- mov{<imodesuffix>}\t{%a1, %0|%0, <iptrsize> PTR %a1}"
+{
+ /* Recover the full memory rtx. */
+ operands[1] = SET_SRC (PATTERN (insn));
+ switch (which_alternative)
+ {
+ case 0:
+ return "movabs{<imodesuffix>}\t{%1, %0|%0, %1}";
+ case 1:
+ return "mov{<imodesuffix>}\t{%1, %0|%0, %1}";
+ default:
+ gcc_unreachable ();
+ }
+}
[(set_attr "type" "imov")
(set_attr "modrm" "0,*")
(set_attr "length_address" "8,0")
--
2.4.3