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| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; Test conversion of floating-point values to unsigned i64s (z10 only).
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
; z10 doesn't have native support for unsigned fp-to-i64 conversions;
; they were added in z196 as the Convert to Logical family of instructions.
; Convert via signed i64s instead.
; Test f32->i64.
define i64 @f1(float %f) {
; CHECK-LABEL: f1:
; CHECK: # %bb.0:
; CHECK-NEXT: larl %r1, .LCPI0_0
; CHECK-NEXT: le %f1, 0(%r1)
; CHECK-NEXT: cebr %f0, %f1
; CHECK-NEXT: jnl .LBB0_2
; CHECK-NEXT: # %bb.1:
; CHECK-NEXT: cgebr %r2, 5, %f0
; CHECK-NEXT: br %r14
; CHECK-NEXT: .LBB0_2:
; CHECK-NEXT: sebr %f0, %f1
; CHECK-NEXT: cgebr %r2, 5, %f0
; CHECK-NEXT: xihf %r2, 2147483648
; CHECK-NEXT: br %r14
%conv = fptoui float %f to i64
ret i64 %conv
}
; Test f64->i64.
define i64 @f2(double %f) {
; CHECK-LABEL: f2:
; CHECK: # %bb.0:
; CHECK-NEXT: larl %r1, .LCPI1_0
; CHECK-NEXT: ldeb %f1, 0(%r1)
; CHECK-NEXT: cdbr %f0, %f1
; CHECK-NEXT: jnl .LBB1_2
; CHECK-NEXT: # %bb.1:
; CHECK-NEXT: cgdbr %r2, 5, %f0
; CHECK-NEXT: br %r14
; CHECK-NEXT: .LBB1_2:
; CHECK-NEXT: sdbr %f0, %f1
; CHECK-NEXT: cgdbr %r2, 5, %f0
; CHECK-NEXT: xihf %r2, 2147483648
; CHECK-NEXT: br %r14
%conv = fptoui double %f to i64
ret i64 %conv
}
; Test f128->i64.
define i64 @f3(fp128 *%src) {
; CHECK-LABEL: f3:
; CHECK: # %bb.0:
; CHECK-NEXT: ld %f0, 0(%r2)
; CHECK-NEXT: ld %f2, 8(%r2)
; CHECK-NEXT: larl %r1, .LCPI2_0
; CHECK-NEXT: lxeb %f1, 0(%r1)
; CHECK-NEXT: cxbr %f0, %f1
; CHECK-NEXT: jnl .LBB2_2
; CHECK-NEXT: # %bb.1:
; CHECK-NEXT: cgxbr %r2, 5, %f0
; CHECK-NEXT: br %r14
; CHECK-NEXT: .LBB2_2:
; CHECK-NEXT: sxbr %f0, %f1
; CHECK-NEXT: cgxbr %r2, 5, %f0
; CHECK-NEXT: xihf %r2, 2147483648
; CHECK-NEXT: br %r14
%f = load fp128, fp128 *%src
%conv = fptoui fp128 %f to i64
ret i64 %conv
}
|