@@ -478,6 +478,29 @@
DONE;
})
+;; =========================================================================
+;; == Conversions
+;; =========================================================================
+
+;; -------------------------------------------------------------------------
+;; ---- [INT<-FP] Conversions
+;; -------------------------------------------------------------------------
+;; Includes:
+;; - vfcvt.rtz.xu.f.v
+;; - vfcvt.rtz.x.f.v
+;; -------------------------------------------------------------------------
+
+(define_expand "<optab><mode><vconvert>2"
+ [(set (match_operand:<VCONVERT> 0 "register_operand")
+ (any_fix:<VCONVERT>
+ (match_operand:VF 1 "register_operand")))]
+ "TARGET_VECTOR"
+{
+ insn_code icode = code_for_pred (<CODE>, <MODE>mode);
+ riscv_vector::emit_vlmax_insn (icode, riscv_vector::RVV_UNOP, operands);
+ DONE;
+})
+
;; =========================================================================
;; == Unary arithmetic
;; =========================================================================
@@ -225,7 +225,9 @@
(ss_minus "sssub")
(us_minus "ussub")
(sign_extend "extend")
- (zero_extend "zero_extend")])
+ (zero_extend "zero_extend")
+ (fix "fix_trunc")
+ (unsigned_fix "fixuns_trunc")])
;; <or_optab> code attributes
(define_code_attr or_optab [(ior "ior")
@@ -1208,6 +1208,11 @@
(VNx1DF "VNx1DI") (VNx2DF "VNx2DI") (VNx4DF "VNx4DI") (VNx8DF "VNx8DI") (VNx16DF "VNx16DI")
])
+(define_mode_attr vconvert [
+ (VNx1SF "vnx1si") (VNx2SF "vnx2si") (VNx4SF "vnx4si") (VNx8SF "vnx8si") (VNx16SF "vnx16si") (VNx32SF "vnx32si")
+ (VNx1DF "vnx1di") (VNx2DF "vnx2di") (VNx4DF "vnx4di") (VNx8DF "vnx8di") (VNx16DF "vnx16di")
+])
+
(define_mode_attr VNCONVERT [
(VNx1SF "VNx1HI") (VNx2SF "VNx2HI") (VNx4SF "VNx4HI") (VNx8SF "VNx8HI") (VNx16SF "VNx16HI") (VNx32SF "VNx32HI")
(VNx1DI "VNx1SF") (VNx2DI "VNx2SF") (VNx4DI "VNx4SF") (VNx8DI "VNx8SF") (VNx16DI "VNx16SF")
new file mode 100644
@@ -0,0 +1,52 @@
+/* { dg-do run { target { riscv_vector } } } */
+/* { dg-additional-options "-std=c99 -fno-vect-cost-model --param=riscv-autovec-preference=scalable" } */
+
+#include "vfcvt_rtz-template.h"
+
+#define RUN(TYPE1, TYPE2, NUM) \
+ TYPE1 src##TYPE1##TYPE2##NUM[NUM]; \
+ TYPE2 dst##TYPE1##TYPE2##NUM[NUM]; \
+ for (int i = 0; i < NUM; i++) \
+ { \
+ src##TYPE1##TYPE2##NUM[i] = i * 3.1315926 + 88932.947289; \
+ } \
+ vfcvt_##TYPE1##TYPE2 (dst##TYPE1##TYPE2##NUM, src##TYPE1##TYPE2##NUM, NUM); \
+ for (int i = 0; i < NUM; i++) \
+ if (dst##TYPE1##TYPE2##NUM[i] == (TYPE2) i) \
+ __builtin_abort ();
+
+int
+main ()
+{
+ RUN (float, int32_t, 3)
+ RUN (float, int32_t, 4)
+ RUN (float, int32_t, 7)
+ RUN (float, int32_t, 99)
+ RUN (float, int32_t, 119)
+ RUN (float, int32_t, 128)
+ RUN (float, int32_t, 256)
+ RUN (float, int32_t, 279)
+ RUN (float, int32_t, 555)
+ RUN (float, int32_t, 1024)
+ RUN (float, int32_t, 1389)
+ RUN (float, int32_t, 2048)
+ RUN (float, int32_t, 3989)
+ RUN (float, int32_t, 4096)
+ RUN (float, int32_t, 5975)
+
+ RUN (double, int64_t, 3)
+ RUN (double, int64_t, 4)
+ RUN (double, int64_t, 7)
+ RUN (double, int64_t, 99)
+ RUN (double, int64_t, 119)
+ RUN (double, int64_t, 128)
+ RUN (double, int64_t, 256)
+ RUN (double, int64_t, 279)
+ RUN (double, int64_t, 555)
+ RUN (double, int64_t, 1024)
+ RUN (double, int64_t, 1389)
+ RUN (double, int64_t, 2048)
+ RUN (double, int64_t, 3989)
+ RUN (double, int64_t, 4096)
+ RUN (double, int64_t, 5975)
+}
new file mode 100644
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-std=c99 -fno-vect-cost-model -march=rv32gcv -mabi=ilp32d --param=riscv-autovec-preference=scalable" } */
+
+#include "vfcvt_rtz-template.h"
+
+/* { dg-final { scan-assembler-times {\tvfcvt\.rtz} 2 } } */
new file mode 100644
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-std=c99 -fno-vect-cost-model -march=rv64gcv -mabi=lp64d --param=riscv-autovec-preference=scalable" } */
+
+#include "vfcvt_rtz-template.h"
+
+/* { dg-final { scan-assembler-times {\tvfcvt\.rtz} 2 } } */
new file mode 100644
@@ -0,0 +1,15 @@
+#include <stdint-gcc.h>
+
+#define TEST(TYPE1, TYPE2) \
+ __attribute__ ((noipa)) void vfcvt_##TYPE1##TYPE2 (TYPE2 *dst, TYPE1 *a, \
+ int n) \
+ { \
+ for (int i = 0; i < n; i++) \
+ dst[i] = (TYPE1) a[i]; \
+ }
+
+#define TEST_ALL() \
+ TEST (float, int32_t) \
+ TEST (double, int64_t)
+
+TEST_ALL ()