[committed 103/103] gccrs: add math intrinsics

[arthur.cohen@embecosm.com]

From: Raiki Tamura <tamaron1203@gmail.com>

gcc/rust/ChangeLog:

	* backend/rust-builtins.cc (BuiltinsContext::setup_math_fns): New functions.

gcc/testsuite/ChangeLog:

	* rust/compile/torture/intrinsics-math.rs: New test.
---
 gcc/rust/backend/rust-builtins.cc             | 122 +++++++++++-
 .../rust/compile/torture/intrinsics-math.rs   | 173 ++++++++++++++++++
 2 files changed, 291 insertions(+), 4 deletions(-)
 create mode 100644 gcc/testsuite/rust/compile/torture/intrinsics-math.rs

diff --git a/gcc/rust/backend/rust-builtins.cc b/gcc/rust/backend/rust-builtins.cc
index 66b3becc47a..0517a9aeaf0 100644
--- a/gcc/rust/backend/rust-builtins.cc
+++ b/gcc/rust/backend/rust-builtins.cc
@@ -59,13 +59,127 @@ BuiltinsContext::setup_overflow_fns ()
 void
 BuiltinsContext::setup_math_fns ()
 {
-  tree math_function_type_f32
+  tree fn_type_f32_to_f32
     = build_function_type_list (float_type_node, float_type_node, NULL_TREE);
+  tree fn_type_f64_to_f64
+    = build_function_type_list (double_type_node, double_type_node, NULL_TREE);
+  tree fn_type_f32_f32_to_f32
+    = build_function_type_list (float_type_node, float_type_node,
+				float_type_node, NULL_TREE);
+  tree fn_type_f64_f64_to_f64
+    = build_function_type_list (double_type_node, double_type_node,
+				double_type_node, NULL_TREE);
+  tree fn_type_f32_i32_to_f32
+    = build_function_type_list (float_type_node, float_type_node,
+				integer_type_node, NULL_TREE);
+  tree fn_type_f64_i32_to_f64
+    = build_function_type_list (double_type_node, double_type_node,
+				integer_type_node, NULL_TREE);
 
-  define_builtin ("sinf32", BUILT_IN_SINF, "__builtin_sinf", "sinf",
-		  math_function_type_f32, builtin_const);
   define_builtin ("sqrtf32", BUILT_IN_SQRTF, "__builtin_sqrtf", "sqrtf",
-		  math_function_type_f32, builtin_const);
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("sqrtf64", BUILT_IN_SQRT, "__builtin_sqrt", "sqrt",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("powif32", BUILT_IN_POWIF, "__builtin_powif", "powif",
+		  fn_type_f32_i32_to_f32, builtin_const);
+  define_builtin ("powif64", BUILT_IN_POWI, "__builtin_powi", "powi",
+		  fn_type_f64_i32_to_f64, builtin_const);
+
+  define_builtin ("sinf32", BUILT_IN_SINF, "__builtin_sinf", "sinf",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("sinf64", BUILT_IN_SIN, "__builtin_sin", "sin",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("cosf32", BUILT_IN_COSF, "__builtin_cosf", "cosf",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("cosf64", BUILT_IN_COS, "__builtin_cos", "cos",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("powf32", BUILT_IN_POWF, "__builtin_powf", "powf",
+		  fn_type_f32_f32_to_f32, builtin_const);
+  define_builtin ("powf64", BUILT_IN_POW, "__builtin_pow", "pow",
+		  fn_type_f64_f64_to_f64, builtin_const);
+
+  define_builtin ("expf32", BUILT_IN_EXPF, "__builtin_expf", "expf",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("expf64", BUILT_IN_EXP, "__builtin_exp", "exp",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("exp2f32", BUILT_IN_EXP2F, "__builtin_exp2f", "exp2f",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("exp2f64", BUILT_IN_EXP2, "__builtin_exp2", "exp2",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("logf32", BUILT_IN_LOGF, "__builtin_logf", "logf",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("logf64", BUILT_IN_LOG, "__builtin_log", "log",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("log10f32", BUILT_IN_LOG10F, "__builtin_log10f", "log10f",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("log10f64", BUILT_IN_LOG10, "__builtin_log10", "log10",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("log2f32", BUILT_IN_LOG2F, "__builtin_log2f", "log2f",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("log2f64", BUILT_IN_LOG2, "__builtin_log2", "log2",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("fmaf32", BUILT_IN_FMAF, "__builtin_fmaf", "fmaf",
+		  fn_type_f32_f32_to_f32, builtin_const);
+  define_builtin ("fmaf64", BUILT_IN_FMA, "__builtin_fma", "fma",
+		  fn_type_f64_f64_to_f64, builtin_const);
+
+  define_builtin ("fabsf32", BUILT_IN_FABSF, "__builtin_fabsf", "fabsf",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("fabsf64", BUILT_IN_FABS, "__builtin_fabs", "fabs",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("minnumf32", BUILT_IN_FMINF, "__builtin_fminf", "fminf",
+		  fn_type_f32_f32_to_f32, builtin_const);
+  define_builtin ("minnumf64", BUILT_IN_FMIN, "__builtin_fmin", "fmin",
+		  fn_type_f64_f64_to_f64, builtin_const);
+
+  define_builtin ("maxnumf32", BUILT_IN_FMAXF, "__builtin_fmaxf", "fmaxf",
+		  fn_type_f32_f32_to_f32, builtin_const);
+  define_builtin ("maxnumf64", BUILT_IN_FMAX, "__builtin_fmax", "fmax",
+		  fn_type_f64_f64_to_f64, builtin_const);
+
+  define_builtin ("copysignf32", BUILT_IN_COPYSIGNF, "__builtin_copysignf",
+		  "copysignf", fn_type_f32_f32_to_f32, builtin_const);
+  define_builtin ("copysignf64", BUILT_IN_COPYSIGN, "__builtin_copysign",
+		  "copysign", fn_type_f64_f64_to_f64, builtin_const);
+
+  define_builtin ("floorf32", BUILT_IN_FLOORF, "__builtin_floorf", "floorf",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("floorf64", BUILT_IN_FLOOR, "__builtin_floor", "floor",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("ceilf32", BUILT_IN_CEILF, "__builtin_ceilf", "ceilf",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("ceilf64", BUILT_IN_CEIL, "__builtin_ceil", "ceil",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("truncf32", BUILT_IN_TRUNCF, "__builtin_truncf", "truncf",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("truncf64", BUILT_IN_TRUNC, "__builtin_trunc", "trunc",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("rintf32", BUILT_IN_RINTF, "__builtin_rintf", "rintf",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("rintf64", BUILT_IN_RINT, "__builtin_rint", "rint",
+		  fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("nearbyintf32", BUILT_IN_NEARBYINTF, "__builtin_nearbyintf",
+		  "nearbyintf", fn_type_f32_to_f32, builtin_const);
+  define_builtin ("nearbyintf64", BUILT_IN_NEARBYINT, "__builtin_nearbyint",
+		  "nearbyint", fn_type_f64_to_f64, builtin_const);
+
+  define_builtin ("roundf32", BUILT_IN_ROUNDF, "__builtin_roundf", "roundf",
+		  fn_type_f32_to_f32, builtin_const);
+  define_builtin ("roundf64", BUILT_IN_ROUND, "__builtin_round", "round",
+		  fn_type_f64_to_f64, builtin_const);
 }
 
 void
diff --git a/gcc/testsuite/rust/compile/torture/intrinsics-math.rs b/gcc/testsuite/rust/compile/torture/intrinsics-math.rs
new file mode 100644
index 00000000000..fb329baafdd
--- /dev/null
+++ b/gcc/testsuite/rust/compile/torture/intrinsics-math.rs
@@ -0,0 +1,173 @@
+// { dg-additional-options -fdump-tree-original }
+
+#![feature(intrinsics)]
+extern "rust-intrinsic" {
+    pub fn sqrtf32(x: f32) -> f32;
+    pub fn sqrtf64(x: f64) -> f64;
+
+    pub fn sinf32(x: f32) -> f32;
+    pub fn sinf64(x: f64) -> f64;
+
+    pub fn cosf32(x: f32) -> f32;
+    pub fn cosf64(x: f64) -> f64;
+
+    pub fn powf32(a: f32, x: f32) -> f32;
+    pub fn powf64(a: f64, x: f64) -> f64;
+
+    pub fn expf32(x: f32) -> f32;
+    pub fn expf64(x: f64) -> f64;
+
+    pub fn exp2f32(x: f32) -> f32;
+    pub fn exp2f64(x: f64) -> f64;
+
+    pub fn logf32(x: f32) -> f32;
+    pub fn logf64(x: f64) -> f64;
+
+    pub fn log10f32(x: f32) -> f32;
+    pub fn log10f64(x: f64) -> f64;
+
+    pub fn log2f32(x: f32) -> f32;
+    pub fn log2f64(x: f64) -> f64;
+
+    pub fn fmaf32(a: f32, b: f32, c: f32) -> f32;
+    pub fn fmaf64(a: f64, b: f64, c: f64) -> f64;
+
+    pub fn fabsf32(x: f32) -> f32;
+    pub fn fabsf64(x: f64) -> f64;
+
+    pub fn minnumf32(x: f32, y: f32) -> f32;
+    pub fn minnumf64(x: f64, y: f64) -> f64;
+
+    pub fn maxnumf32(x: f32, y: f32) -> f32;
+    pub fn maxnumf64(x: f64, y: f64) -> f64;
+
+    pub fn copysignf32(x: f32, y: f32) -> f32;
+    pub fn copysignf64(x: f64, y: f64) -> f64;
+
+    pub fn floorf32(x: f32) -> f32;
+    pub fn floorf64(x: f64) -> f64;
+
+    pub fn ceilf32(x: f32) -> f32;
+    pub fn ceilf64(x: f64) -> f64;
+
+    pub fn truncf32(x: f32) -> f32;
+    pub fn truncf64(x: f64) -> f64;
+
+    pub fn rintf32(x: f32) -> f32;
+    pub fn rintf64(x: f64) -> f64;
+
+    pub fn nearbyintf32(x: f32) -> f32;
+    pub fn nearbyintf64(x: f64) -> f64;
+
+    pub fn roundf32(x: f32) -> f32;
+    pub fn roundf64(x: f64) -> f64;
+}
+
+fn main() {
+    unsafe fn foo() {
+        let mut f32;
+        let mut f64;
+
+        f32 = sqrtf32(1f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_sqrtf \(1\.0e\+0\);$} 1 original } }
+        f64 = sqrtf64(2f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_sqrt \(2\.0e\+0\);$} 1 original } }
+
+        f32 = sinf32(39f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_sinf \(3\.9e\+1\);$} 1 original } }
+        f64 = sinf64(40f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_sin \(4\.0e\+1\);$} 1 original } }
+
+        f32 = cosf32(5f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_cosf \(5\.0e\+0\);$} 1 original } }
+        f64 = cosf64(6f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_cos \(6\.0e\+0\);$} 1 original } }
+
+        f32 = powf32(7f32, 8f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_powf \(7\.0e\+0, 8\.0e\+0\);$} 1 original } }
+        f64 = powf64(9f64, 10f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_pow \(9\.0e\+0, 1\.0e\+1\);$} 1 original } }
+
+        f32 = expf32(11f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_expf \(1\.1e\+1\);$} 1 original } }
+        f64 = expf64(12f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_exp \(1\.2e\+1\);$} 1 original } }
+
+        f32 = exp2f32(13f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_expf \(1\.1e\+1\);$} 1 original } }
+        f64 = exp2f64(14f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_exp \(1\.2e\+1\);$} 1 original } }
+
+        f32 = logf32(15f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_logf \(1\.5e\+1\);$} 1 original } }
+        f64 = logf64(16f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_log \(1\.6e\+1\);$} 1 original } }
+
+        f32 = log10f32(17f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_log10f \(1\.7e\+1\);$} 1 original } }
+        f64 = log10f64(18f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_log10 \(1\.8e\+1\);$} 1 original } }
+
+        f32 = log2f32(19f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_log2f \(1\.9e\+1\);$} 1 original } }
+        f64 = log2f64(20f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_log2 \(2\.0e\+1\);$} 1 original } }
+
+        f32 = fmaf32(21f32, 22f32, 23f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_fmaf \(2\.1e\+1, 2\.2e\+1, 2\.3e\+1\);$} 1 original } }
+        f64 = fmaf64(24f64, 25f64, 26f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_fma \(2\.4e\+1, 2\.5e\+1, 2\.6e\+1\);$} 1 original } }
+
+        f32 = fabsf32(27f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_fabsf \(2\.7e\+1\);$} 1 original } }
+        f64 = fabsf64(28f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_fabs \(2\.8e\+1\);$} 1 original } }
+
+        f32 = minnumf32(29f32, 30f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_fminf \(2\.9e\+1, 3\.0e\+1\);$} 1 original } }
+        f64 = minnumf64(31f64, 32f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_fmin \(3\.1e\+1, 3\.2e\+1\);$} 1 original } }
+
+        f32 = maxnumf32(33f32, 34f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_fmaxf \(3\.3e\+1, 3\.4e\+1\);$} 1 original } }
+        f64 = maxnumf64(35f64, 36f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_fmax \(3\.5e\+1, 3\.6e\+1\);$} 1 original } }
+
+        f32 = copysignf32(37f32, 38f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_copysignf \(3\.7e\+1, 3\.8e\+1\);$} 1 original } }
+        f64 = copysignf64(39f64, 40f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_copysign \(3\.9e\+1, 4\.0e\+1\);$} 1 original } }
+
+        f32 = floorf32(41f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_floorf \(4\.1e\+1\);$} 1 original } }
+        f64 = floorf64(42f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_floor \(4\.2e\+1\);$} 1 original } }
+
+        f32 = ceilf32(43f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_ceilf \(4\.3e\+1\);$} 1 original } }
+        f64 = ceilf64(44f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_ceil \(4\.4e\+1\);$} 1 original } }
+
+        f32 = truncf32(45f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_truncf \(4\.5e\+1\);$} 1 original } }
+        f64 = truncf64(46f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_trunc \(4\.6e\+1\);$} 1 original } }
+
+        f32 = rintf32(47f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_rintf \(4\.7e\+1\);$} 1 original } }
+        f64 = rintf64(48f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_rint \(4\.8e\+1\);$} 1 original } }
+
+        f32 = nearbyintf32(49f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_nearbyintf \(4\.9e\+1\);$} 1 original } }
+        f64 = nearbyintf64(50f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_nearbyint \(5\.0e\+1\);$} 1 original } }
+
+        f32 = roundf32(51f32);
+        // { dg-final { scan-tree-dump-times {(?n)f32 = __builtin_roundf \(5\.1e\+1\);$} 1 original } }
+        f64 = roundf64(52f64);
+        // { dg-final { scan-tree-dump-times {(?n)f64 = __builtin_round \(5\.2e\+1\);$} 1 original } }
+    }
+
+    unsafe { foo() };
+}
-- 
2.39.1