diff options
| author | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2015-11-20 07:42:04 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2015-11-20 07:42:04 +0000 |
| commit | 511f5bb114913b7cdaa78cb60ed46d0d5a27f5e3 (patch) | |
| tree | c00ba69abe113ca80b75a776bc377895d371e75d | |
| parent | af344a30f80436c7ad88034221f55070b9ae1325 (diff) | |
| download | gcc-511f5bb114913b7cdaa78cb60ed46d0d5a27f5e3.zip gcc-511f5bb114913b7cdaa78cb60ed46d0d5a27f5e3.tar.gz gcc-511f5bb114913b7cdaa78cb60ed46d0d5a27f5e3.tar.bz2 | |
S/390: Add bswaphi2 pattern
gcc/testsuite/ChangeLog:
* gcc.target/s390/bswap-1.c: New test.
gcc/ChangeLog:
* config/s390/s390.md ("bswaphi2"): New pattern.
From-SVN: r230643
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/s390/s390.md | 10 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/s390/bswap-1.c | 36 |
4 files changed, 54 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0a04eaa..96a3a47 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2015-11-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com> + + * config/s390/s390.md ("bswaphi2"): New pattern. + 2015-11-20 Dominik Vogt <vogt@linux.vnet.ibm.com> * config/s390/s390.md (GPR1_REGNUM): New constant. diff --git a/gcc/config/s390/s390.md b/gcc/config/s390/s390.md index f2bb24c..a5335ca 100644 --- a/gcc/config/s390/s390.md +++ b/gcc/config/s390/s390.md @@ -10448,6 +10448,8 @@ ; Byte swap instructions ; +; FIXME: There is also mvcin but we cannot use it since src and target +; may overlap. (define_insn "bswap<mode>2" [(set (match_operand:GPR 0 "register_operand" "=d, d") (bswap:GPR (match_operand:GPR 1 "nonimmediate_operand" " d,RT")))] @@ -10459,6 +10461,14 @@ (set_attr "op_type" "RRE,RXY") (set_attr "z10prop" "z10_super")]) +(define_insn "bswaphi2" + [(set (match_operand:HI 0 "register_operand" "=d") + (bswap:HI (match_operand:HI 1 "memory_operand" "RT")))] + "TARGET_CPU_ZARCH" + "lrvh\t%0,%1" + [(set_attr "type" "load") + (set_attr "op_type" "RXY") + (set_attr "z10prop" "z10_super")]) ; ; Population count instruction diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 247aa3a..e1e88fa 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2015-11-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com> + + * gcc.target/s390/bswap-1.c: New test. + 2015-11-20 Dominik Vogt <vogt@linux.vnet.ibm.com> * gcc.target/s390/pfpo.c: New test. diff --git a/gcc/testsuite/gcc.target/s390/bswap-1.c b/gcc/testsuite/gcc.target/s390/bswap-1.c new file mode 100644 index 0000000..e1f113a --- /dev/null +++ b/gcc/testsuite/gcc.target/s390/bswap-1.c @@ -0,0 +1,36 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -march=z900 -mzarch" } */ + +#include <stdint.h> + +uint64_t u64; +uint32_t u32; +uint16_t u16; + +uint64_t +foo64a (uint64_t a) +{ + return __builtin_bswap64 (a); +} +/* { dg-final { scan-assembler-times "lrvgr\t%r2,%r2" 1 { target lp64 } } } */ + +uint64_t +foo64b () +{ + return __builtin_bswap64 (u64); +} +/* { dg-final { scan-assembler-times "lrvg\t%r2,0\\(%r\[0-9\]*\\)" 1 { target lp64 } } } */ + +uint32_t +foo32 () +{ + return __builtin_bswap32 (u32); +} +/* { dg-final { scan-assembler-times "lrv\t%r2,0\\(%r\[0-9\]*\\)" 1 } } */ + +uint16_t +foo16 () +{ + return __builtin_bswap16 (u16); +} +/* { dg-final { scan-assembler-times "lrvh\t%r2,0\\(%r\[0-9\]*\\)" 1 } } */ |