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| author | Eric Botcazou <ebotcazou@adacore.com> | 2017-09-08 17:09:16 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2017-09-08 17:09:16 +0000 |
| commit | 8bd5e1f70755bb9d400e1ab08828d739ae9d9cf3 (patch) | |
| tree | 4539d205a45189e75fe76cabb6cfcb4d01a54fc1 | |
| parent | edcc77dbd9f95301a8be1a2f2b0d774680b46a1a (diff) | |
| download | gcc-8bd5e1f70755bb9d400e1ab08828d739ae9d9cf3.zip gcc-8bd5e1f70755bb9d400e1ab08828d739ae9d9cf3.tar.gz gcc-8bd5e1f70755bb9d400e1ab08828d739ae9d9cf3.tar.bz2 | |
re PR target/81988 (invalid std instruction with odd register)
PR target/81988
* config/sparc/sparc.md (mulsi3): Rename into *mulsi3_sp32.
(*mulsi3_sp64): New instruction.
(mulsi3): New expander.
From-SVN: r251904
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/sparc/sparc.md | 17 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr81988.c | 22 |
4 files changed, 50 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d3a149c..9f11d0e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2017-09-07 Eric Botcazou <ebotcazou@adacore.com> + + PR target/81988 + * config/sparc/sparc.md (mulsi3): Rename into *mulsi3_sp32. + (*mulsi3_sp64): New instruction. + (mulsi3): New expander. + 2017-09-08 Uros Bizjak <ubizjak@gmail.com> * config/alpha/alpha.c (alpha_print_operand) <case 'S'>: Remove. diff --git a/gcc/config/sparc/sparc.md b/gcc/config/sparc/sparc.md index 925b49e..d9cbd4f 100644 --- a/gcc/config/sparc/sparc.md +++ b/gcc/config/sparc/sparc.md @@ -4517,7 +4517,14 @@ visl") ;; The 32-bit multiply/divide instructions are deprecated on v9, but at ;; least in UltraSPARC I, II and IIi it is a win tick-wise. -(define_insn "mulsi3" +(define_expand "mulsi3" + [(set (match_operand:SI 0 "register_operand" "") + (mult:SI (match_operand:SI 1 "arith_operand" "") + (match_operand:SI 2 "arith_operand" "")))] + "TARGET_HARD_MUL || TARGET_ARCH64" + "") + +(define_insn "*mulsi3_sp32" [(set (match_operand:SI 0 "register_operand" "=r") (mult:SI (match_operand:SI 1 "arith_operand" "%r") (match_operand:SI 2 "arith_operand" "rI")))] @@ -4525,6 +4532,14 @@ visl") "smul\t%1, %2, %0" [(set_attr "type" "imul")]) +(define_insn "*mulsi3_sp64" + [(set (match_operand:SI 0 "register_operand" "=r") + (mult:SI (match_operand:SI 1 "arith_operand" "%r") + (match_operand:SI 2 "arith_operand" "rI")))] + "TARGET_ARCH64" + "mulx\t%1, %2, %0" + [(set_attr "type" "imul")]) + (define_expand "muldi3" [(set (match_operand:DI 0 "register_operand" "") (mult:DI (match_operand:DI 1 "arith_operand" "") diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2ef3b16..4a1ebd6 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,9 @@ 2017-09-07 Eric Botcazou <ebotcazou@adacore.com> - + + * gcc.dg/pr81988.c: New test. + +2017-09-07 Eric Botcazou <ebotcazou@adacore.com> + * gnat.dg/opt67.adb: New test. * gnat.dg/opt67_pkg.ad[sb]: New helper. diff --git a/gcc/testsuite/gcc.dg/pr81988.c b/gcc/testsuite/gcc.dg/pr81988.c new file mode 100644 index 0000000..dbbf436f --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr81988.c @@ -0,0 +1,22 @@ +/* PR target/81988 */ +/* Testcase by James Cowgill <jcowgill+gcc@jcowgill.uk> */ + +/* { dg-do assemble } */ +/* { dg-require-effective-target pie } */ +/* { dg-options "-O3 -fpie" } */ + +int c, d; + +short **e; +int *a; + +void foo(void) +{ + int g[64 * 35], *h = g; + do { + short *f = e[d]; + for (int i = 0; i < 4; i++) + a[i] = a[i] + (h[364] + f[4] * h[64] + f[5] * h[i] + f[6] * h[i + 3 * 4] + + f[7] * h[i + 4]); + } while (c); +} |