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| author | Uros Bizjak <ubizjak@gmail.com> | 2025-07-14 17:16:36 +0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2025-07-14 20:55:58 +0800 |
| commit | dc07752af00f9e8ce3c9b25bf7dd4941a5df682d (patch) | |
| tree | 0c2438f361ed00abba5da6a6ad31bd99d09dcb83 /gcc/testsuite | |
| parent | 07d8de9174c421d719649639a1452b8b9f2eee32 (diff) | |
| download | gcc-dc07752af00f9e8ce3c9b25bf7dd4941a5df682d.zip gcc-dc07752af00f9e8ce3c9b25bf7dd4941a5df682d.tar.gz gcc-dc07752af00f9e8ce3c9b25bf7dd4941a5df682d.tar.bz2 | |
x86: Check all 0s/1s vectors with standard_sse_constant_p
commit 77473a27bae04da99d6979d43e7bd0a8106f4557
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Jun 26 06:08:51 2025 +0800
x86: Also handle all 1s float vector constant
replaces
(insn 29 28 30 5 (set (reg:V2SF 107)
(mem/u/c:V2SF (symbol_ref/u:DI ("*.LC0") [flags 0x2]) [0 S8 A64])) 2031 {*movv2sf_internal}
(expr_list:REG_EQUAL (const_vector:V2SF [
(const_double:SF -QNaN [-QNaN]) repeated x2
])
(nil)))
with
(insn 98 13 14 3 (set (reg:V8QI 112)
(const_vector:V8QI [
(const_int -1 [0xffffffffffffffff]) repeated x8
])) -1
(nil))
...
(insn 29 28 30 5 (set (reg:V2SF 107)
(subreg:V2SF (reg:V8QI 112) 0)) 2031 {*movv2sf_internal}
(expr_list:REG_EQUAL (const_vector:V2SF [
(const_double:SF -QNaN [-QNaN]) repeated x2
])
(nil)))
which leads to
pr121015.c: In function ‘render_result_from_bake_h’:
pr121015.c:34:1: error: unrecognizable insn:
34 | }
| ^
(insn 98 13 14 3 (set (reg:V8QI 112)
(const_vector:V8QI [
(const_int -1 [0xffffffffffffffff]) repeated x8
])) -1
(expr_list:REG_EQUIV (const_vector:V8QI [
(const_int -1 [0xffffffffffffffff]) repeated x8
])
(nil)))
during RTL pass: ira
Check all 0s/1s vectors with standard_sse_constant_p to avoid unsupported
all 1s vectors.
Co-Developed-by: H.J. Lu <hjl.tools@gmail.com>
gcc/
PR target/121015
* config/i386/i386-features.cc (ix86_broadcast_inner): Check all
0s/1s vectors with standard_sse_constant_p.
gcc/testsuite/
PR target/121015
* gcc.target/i386/pr121015.c: New test.
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr121015.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr121015.c b/gcc/testsuite/gcc.target/i386/pr121015.c new file mode 100644 index 0000000..57c8bff --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr121015.c @@ -0,0 +1,32 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -march=x86-64-v3" } */ + +extern union { + int i; + float f; +} int_as_float_u; + +extern int render_result_from_bake_w; +extern int render_result_from_bake_h_seed_pass; +extern float *render_result_from_bake_h_primitive; +extern float *render_result_from_bake_h_seed; + +float +int_as_float(int i) +{ + int_as_float_u.i = i; + return int_as_float_u.f; +} + +void +render_result_from_bake_h(int tx) +{ + while (render_result_from_bake_w) { + for (; tx < render_result_from_bake_w; tx++) + render_result_from_bake_h_primitive[1] = + render_result_from_bake_h_primitive[2] = int_as_float(-1); + if (render_result_from_bake_h_seed_pass) { + *render_result_from_bake_h_seed = 0; + } + } +} |