[PATCH 37/42] Prevent allocation of MMX registers with TARGET_MMX_WITH_SSE

[H.J. Lu]

From: Uros Bizjak <ubiz...@gmail.com>

2019-02-14  Uroš Bizjak  <ubiz...@gmail.com>

        PR target/89021
        * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
        * config/i386/sse.md (*vec_concatv2sf_sse4_1): Ditto.
        (*vec_concatv2sf_sse): Ditto.
        (*vec_concatv2si_sse4_1): Ditto.
        (*vec_concatv2si): Ditto.
        (*vec_concatv4si_0): Ditto.
        (*vec_concatv2di_0): Ditto.
---
 gcc/config/i386/i386.md |  4 ++++
 gcc/config/i386/sse.md  | 16 ++++++++++++++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index e1727676deb..22172fd77a8 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -3682,6 +3682,10 @@
              (const_string "avx512bw")
           ]
           (const_string "*")))
+   (set (attr "mmx_isa")
+     (if_then_else (eq_attr "alternative" "5,6")
+                  (const_string "native")
+                  (const_string "*")))
    (set (attr "type")
      (cond [(eq_attr "alternative" "0,1,2,4")
              (const_string "multi")
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 379da16615d..b6196b088fd 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -7201,6 +7201,10 @@
              (const_string "mmxmov")
           ]
           (const_string "sselog")))
+   (set (attr "mmx_isa")
+     (if_then_else (eq_attr "alternative" "7,8")
+                  (const_string "native")
+                  (const_string "*")))
    (set (attr "prefix_data16")
      (if_then_else (eq_attr "alternative" "3,4")
                   (const_string "1")
@@ -7236,7 +7240,8 @@
    movss\t{%1, %0|%0, %1}
    punpckldq\t{%2, %0|%0, %2}
    movd\t{%1, %0|%0, %1}"
-  [(set_attr "type" "sselog,ssemov,mmxcvt,mmxmov")
+  [(set_attr "mmx_isa" "*,*,native,native")
+   (set_attr "type" "sselog,ssemov,mmxcvt,mmxmov")
    (set_attr "mode" "V4SF,SF,DI,DI")])
 
 (define_insn "*vec_concatv4sf"
@@ -14509,6 +14514,10 @@
    punpckldq\t{%2, %0|%0, %2}
    movd\t{%1, %0|%0, %1}"
   [(set_attr "isa" "noavx,noavx,avx,avx512dq,noavx,noavx,avx,*,*,*")
+   (set (attr "mmx_isa")
+     (if_then_else (eq_attr "alternative" "8,9")
+                  (const_string "native")
+                  (const_string "*")))
    (set (attr "type")
      (cond [(eq_attr "alternative" "7")
              (const_string "ssemov")
@@ -14546,6 +14555,7 @@
    punpckldq\t{%2, %0|%0, %2}
    movd\t{%1, %0|%0, %1}"
   [(set_attr "isa" "sse2,sse2,*,*,*,*")
+   (set_attr "mmx_isa" "*,*,*,*,native,native")
    (set_attr "type" "sselog,ssemov,sselog,ssemov,mmxcvt,mmxmov")
    (set_attr "mode" "TI,TI,V4SF,SF,DI,DI")])
 
@@ -14575,7 +14585,8 @@
   "@
    %vmovq\t{%1, %0|%0, %1}
    movq2dq\t{%1, %0|%0, %1}"
-  [(set_attr "type" "ssemov")
+  [(set_attr "mmx_isa" "*,native")
+   (set_attr "type" "ssemov")
    (set_attr "prefix" "maybe_vex,orig")
    (set_attr "mode" "TI")])
 
@@ -14650,6 +14661,7 @@
    %vmovq\t{%1, %0|%0, %1}
    movq2dq\t{%1, %0|%0, %1}"
   [(set_attr "isa" "x64,*,*")
+   (set_attr "mmx_isa" "*,*,native")
    (set_attr "type" "ssemov")
    (set_attr "prefix_rex" "1,*,*")
    (set_attr "prefix" "maybe_vex,maybe_vex,orig")
-- 
2.20.1