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| author | Hongtao Liu <hongtao.liu@intel.com> | 2019-09-19 01:21:39 +0000 |
|---|---|---|
| committer | Hongtao Liu <liuhongt@gcc.gnu.org> | 2019-09-19 01:21:39 +0000 |
| commit | fbd33afe4728f16789a37fe0a86fb0079d366b69 (patch) | |
| tree | 1b321c2a0da75a359fda48c38705f50294024750 /gcc | |
| parent | a923a4639434f9c845db002c8445e61cf5dda545 (diff) | |
| download | gcc-fbd33afe4728f16789a37fe0a86fb0079d366b69.zip gcc-fbd33afe4728f16789a37fe0a86fb0079d366b69.tar.gz gcc-fbd33afe4728f16789a37fe0a86fb0079d366b69.tar.bz2 | |
Extend pass rpad to handle avx512f vcvtusi2ss vcvtusi2ss 538.imagick_r improved...
Extend pass rpad to handle avx512f vcvtusi2ss vcvtusi2ss
538.imagick_r improved by 4% with single copy run on SKYLAKE workstation.
gcc/
* config/i386/i386.md
(*floatuns<SWI48:mode><MODEF:mode>2_avx512):
Add avx_partial_xmm_update.
gcc/testsuie
* gcc.target/i386/pr87007-3.c: New test.
From-SVN: r275926
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 1 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr87007-3.c | 18 |
4 files changed, 30 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0510933..965d788 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-09-19 Hongtao Liu <hongtao.liu@intel.com> + + PR target/87007 + * config/i386.md (*floatuns<SWI48:mode><MODEF:mode>2_avx512): + Add avx_partial_xmm_update. + 2019-09-18 Jim Wilson <jimw@sifive.com> PR target/91683 diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 7ad9788..b7e7d12 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -5196,6 +5196,7 @@ "TARGET_AVX512F && TARGET_SSE_MATH" "vcvtusi2<MODEF:ssemodesuffix><SWI48:rex64suffix>\t{%1, %0, %0|%0, %0, %1}" [(set_attr "type" "sseicvt") + (set_attr "avx_partial_xmm_update" "true") (set_attr "prefix" "evex") (set_attr "mode" "<MODEF:MODE>")]) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 48e91d9..20d22de 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-09-19 Hongtao Liu <hongtao.liu@intel.com> + + PR target/87007 + * gcc.target/i386/pr87007-3.c: New test. + 2019-09-18 H.J. Lu <hongjiu.lu@intel.com> PR target/90878 diff --git a/gcc/testsuite/gcc.target/i386/pr87007-3.c b/gcc/testsuite/gcc.target/i386/pr87007-3.c new file mode 100644 index 0000000..59324fd --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr87007-3.c @@ -0,0 +1,18 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -march=skylake-avx512 -mfpmath=sse" } */ + +extern float f; +extern double d; +extern unsigned char c; + +void +foo (int n, int k) +{ + for (int i = 0; i != n; i++) + if(i < k) + d = c; + else + f = c; +} + +/* { dg-final { scan-assembler-times "vxorps\[^\n\r\]*xmm\[0-9\]" 1 } } */ |