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* [gcc/devel/c++-modules] Don't use pinsr/pextr for struct initialization/extraction.
@ 2020-08-27 18:13 Nathan Sidwell
0 siblings, 0 replies; only message in thread
From: Nathan Sidwell @ 2020-08-27 18:13 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:7d5de349d21479d7ec61dd0153e6f0958ad7384f
commit 7d5de349d21479d7ec61dd0153e6f0958ad7384f
Author: liuhongt <hongtao.liu@intel.com>
Date: Wed Aug 12 10:48:17 2020 +0800
Don't use pinsr/pextr for struct initialization/extraction.
gcc/
PR target/96562
PR target/93897
* config/i386/i386-expand.c (ix86_expand_pinsr): Don't use
pinsr for TImode.
(ix86_expand_pextr): Don't use pextr for TImode.
gcc/testsuite/
* gcc.target/i386/pr96562-1.c: New test.
Diff:
---
gcc/config/i386/i386-expand.c | 2 -
gcc/testsuite/gcc.target/i386/pr96562-1.c | 81 +++++++++++++++++++++++++++++++
2 files changed, 81 insertions(+), 2 deletions(-)
diff --git a/gcc/config/i386/i386-expand.c b/gcc/config/i386/i386-expand.c
index d8368bfd4a9..68fbe8385b3 100644
--- a/gcc/config/i386/i386-expand.c
+++ b/gcc/config/i386/i386-expand.c
@@ -20302,7 +20302,6 @@ ix86_expand_pextr (rtx *operands)
case E_V4SImode:
case E_V2DImode:
case E_V1TImode:
- case E_TImode:
{
machine_mode srcmode, dstmode;
rtx d, pat;
@@ -20398,7 +20397,6 @@ ix86_expand_pinsr (rtx *operands)
case E_V4SImode:
case E_V2DImode:
case E_V1TImode:
- case E_TImode:
{
machine_mode srcmode, dstmode;
rtx (*pinsr)(rtx, rtx, rtx, rtx);
diff --git a/gcc/testsuite/gcc.target/i386/pr96562-1.c b/gcc/testsuite/gcc.target/i386/pr96562-1.c
new file mode 100644
index 00000000000..6ebeeb1fb17
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr96562-1.c
@@ -0,0 +1,81 @@
+/* { dg-do compile} */
+/* { dg-options "-msse4.1 -O2" } */
+/* { dg-final { scan-assembler-not "pinsr" } } */
+
+typedef struct
+{
+ long long a;
+ int b;
+} st1;
+
+typedef struct
+{
+ long long a;
+ int b;
+ short c;
+} st2;
+
+typedef struct
+{
+ long long a;
+ int b;
+ short c;
+ char d;
+} st3;
+
+typedef struct
+{
+ int b;
+ long long a;
+} st4;
+
+typedef struct
+{
+ short c;
+ int b;
+ long long a;
+} st5;
+
+typedef struct
+{
+ char d;
+ short c;
+ int b;
+ long long a;
+} st6;
+
+st1
+foo1 (long long a, int b)
+{
+ return (st1){a, b};
+}
+
+st2
+foo2 (long long a, int b, short c)
+{
+ return (st2){a, b, c};
+}
+
+st3
+foo3 (long long a, int b, short c, char d)
+{
+ return (st3){a, b, c, d};
+}
+
+st4
+foo4 (long long a, int b)
+{
+ return (st4){b, a};
+}
+
+st5
+foo5 (long long a, int b, short c)
+{
+ return (st5){c, b, a};
+}
+
+st6
+foo6 (long long a, int b, short c, char d)
+{
+ return (st6){d, c, b, a};
+}
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