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math: switch s390x math.Pow to generic implementation

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The s390x assembly implementation of math.Pow incorrectly handles
certain subnormal cases. This change switches the function to use the
generic implementation instead.

Updates #76247

Cq-Include-Trybots: luci.golang.try:gotip-linux-s390x
Change-Id: I794339080d5a7acf79bbffaeb0214809006fd30c
Reviewed-on: https://go-review.googlesource.com/c/go/+/720540
Reviewed-by: Vishwanatha HD <vishwanatha.hd@ibm.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Kiran M Vijay IBM <kiran.m.vijay@ibm.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Mark Freeman <markfreeman@google.com>
This commit is contained in:
Srinivas Pokala 2025-11-14 14:21:37 +01:00 • committed by Gopher Robot
parent 8c41a482f9
commit 489d3dafb7
1 changed files with 1 additions and 1 deletions
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2
src/math/arith_s390x.go
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@ -129,7 +129,7 @@ func archExpm1(x float64) float64
func expm1TrampolineSetup(x float64) float64 func expm1TrampolineSetup(x float64) float64
func expm1Asm(x float64) float64 func expm1Asm(x float64) float64
const haveArchPow = true const haveArchPow = false
func archPow(x, y float64) float64 func archPow(x, y float64) float64
func powTrampolineSetup(x, y float64) float64 func powTrampolineSetup(x, y float64) float64