diff options
| -rw-r--r-- | gcc/config/loongarch/loongarch.cc | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/loongarch/pr113148.c | 44 |
2 files changed, 46 insertions, 1 deletions
diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc index 578b9bc3..1d4d8f0 100644 --- a/gcc/config/loongarch/loongarch.cc +++ b/gcc/config/loongarch/loongarch.cc @@ -6906,7 +6906,8 @@ loongarch_secondary_reload (bool in_p ATTRIBUTE_UNUSED, rtx x, return NO_REGS; } - if (reg_class_subset_p (rclass, FP_REGS) && MEM_P (x)) + if (reg_class_subset_p (rclass, FP_REGS) + && (regno == -1 || MEM_P (x))) return GR_REGS; return NO_REGS; diff --git a/gcc/testsuite/gcc.target/loongarch/pr113148.c b/gcc/testsuite/gcc.target/loongarch/pr113148.c new file mode 100644 index 0000000..cf48e55 --- /dev/null +++ b/gcc/testsuite/gcc.target/loongarch/pr113148.c @@ -0,0 +1,44 @@ +/* PR 113148: ICE caused by infinite reloading */ +/* { dg-do compile } */ +/* { dg-options "-O2 -march=la464 -mfpu=64 -mabi=lp64d" } */ + +struct bound +{ + double max; +} drawQuadrant_bound; +double w4, innerXfromXY_y, computeBound_right_0; +struct arc_def +{ + double w, h; + double a0, a1; +}; +static void drawQuadrant (struct arc_def *); +static void +computeBound (struct arc_def *def, struct bound *bound) +{ + double ellipsex_1, ellipsex_0; + bound->max = def->a1 ?: __builtin_sin (w4) * def->h; + if (def->a0 == 5 && def->w == def->h) + ; + else + ellipsex_0 = def->a0 == 0.0 ?: __builtin_cos (w4); + if (def->a1 == 5 && def->w == def->h) + ellipsex_1 = bound->max; + __builtin_sqrt (ellipsex_1 * innerXfromXY_y * innerXfromXY_y * w4); + computeBound_right_0 = ellipsex_0; +} +void +drawArc () +{ + struct arc_def foo; + for (;;) + drawQuadrant (&foo); +} +void +drawQuadrant (struct arc_def *def) +{ + int y, miny; + computeBound (def, &drawQuadrant_bound); + while (y >= miny) + ; +} |