commit 8c21b0d164f33d9d47acc26f4f9b99b53e3b1945 Author: Andreas Krebbel Date: Tue Nov 6 10:22:05 2018 +0000 S/390: Fix PR87723 gcc/ChangeLog: 2018-11-06 Andreas Krebbel PR target/87723 * config/s390/s390.md ("*rsbg_di_rotl"): Remove mode attributes for operands 3 and 4. gcc/testsuite/ChangeLog: 2018-11-06 Andreas Krebbel PR target/87723 * gcc.target/s390/pr87723.c: New test. From-SVN: r265832 diff --git a/gcc/config/s390/s390.md b/gcc/config/s390/s390.md index 8e7b285e1c3..4ffd438c07c 100644 --- a/gcc/config/s390/s390.md +++ b/gcc/config/s390/s390.md @@ -4230,7 +4230,7 @@ (define_insn "*rsbg_di_rotl" (match_operand:DI 4 "nonimmediate_operand" "0"))) (clobber (reg:CC CC_REGNUM))] "TARGET_Z10" - "rsbg\t%0,%1,%2,%2,%b3" + "rsbg\t%0,%1,%s2,%e2,%b3" [(set_attr "op_type" "RIE")]) ; rosbg, rxsbg diff --git a/gcc/testsuite/gcc.target/s390/pr87723.c b/gcc/testsuite/gcc.target/s390/pr87723.c new file mode 100644 index 00000000000..b0e8a5a3118 --- /dev/null +++ b/gcc/testsuite/gcc.target/s390/pr87723.c @@ -0,0 +1,29 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -march=z196 -m64 -mzarch" } */ + +unsigned long a; +int b; +void c(char* i) { + for (;;) { + char g = 0; + for (; g < 24; ++g) + b = a << g | a >> 64 - g; + { + char *d = i; + long h = b; + char e = 0; + for (; e < 8; ++e) + d[e] = h; + } + char *d = i; + signed e; + unsigned long f = 0; + e = 7; + for (; e; --e) { + f <<= 8; + f |= d[e]; + } + for (; e < 8; ++e) + d[e] = f; + } +}