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From 7f328b93ee2aa8bb4e94613b6ed218e7525d8dc0 Mon Sep 17 00:00:00 2001
From: David Seifert <soap@gentoo.org>
Date: Sat, 10 Jul 2021 13:06:57 +0200
Subject: [PATCH] Do not force inlining of indirect functions
* A function called indirectly cannot be decorated
with `__attribute((always_inline))`, as this is
guaranteed to only work with direct calls:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63220#c1
Bug: https://bugs.gentoo.org/798045
---
libFDK/include/fft.h | 4 ++--
libFDK/src/fft.cpp | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/libFDK/include/fft.h b/libFDK/include/fft.h
index d394046..4ef62b4 100644
--- a/libFDK/include/fft.h
+++ b/libFDK/include/fft.h
@@ -139,7 +139,7 @@ void ifft(int length, FIXP_DBL *pInput, INT *scalefactor);
* bit scale headroom. The values are interleaved, real/imag pairs.
*/
LNK_SECTION_CODE_L1
-static FDK_FORCEINLINE void fft_4(FIXP_DBL *x) {
+static inline void fft_4(FIXP_DBL *x) {
FIXP_DBL a00, a10, a20, a30, tmp0, tmp1;
a00 = (x[0] + x[4]) >> 1; /* Re A + Re B */
@@ -168,7 +168,7 @@ static FDK_FORCEINLINE void fft_4(FIXP_DBL *x) {
#ifndef FUNCTION_fft_8
LNK_SECTION_CODE_L1
-static FDK_FORCEINLINE void fft_8(FIXP_DBL *x) {
+static inline void fft_8(FIXP_DBL *x) {
FIXP_SPK w_PiFOURTH = {{FIXP_SGL(0x5A82), FIXP_SGL(0x5A82)}};
FIXP_DBL a00, a10, a20, a30;
diff --git a/libFDK/src/fft.cpp b/libFDK/src/fft.cpp
index 4e6fdd2..c9ee784 100644
--- a/libFDK/src/fft.cpp
+++ b/libFDK/src/fft.cpp
@@ -170,7 +170,7 @@ amm-info@iis.fraunhofer.de
/* Performs the FFT of length 2. Input vector unscaled, output vector scaled
* with factor 0.5 */
-static FDK_FORCEINLINE void fft2(FIXP_DBL *RESTRICT pDat) {
+static inline void fft2(FIXP_DBL *RESTRICT pDat) {
FIXP_DBL r1, i1;
FIXP_DBL r2, i2;
@@ -196,7 +196,7 @@ static FDK_FORCEINLINE void fft2(FIXP_DBL *RESTRICT pDat) {
#ifndef FUNCTION_fft3
/* Performs the FFT of length 3 according to the algorithm after winograd. */
-static FDK_FORCEINLINE void fft3(FIXP_DBL *RESTRICT pDat) {
+static inline void fft3(FIXP_DBL *RESTRICT pDat) {
FIXP_DBL r1, r2;
FIXP_DBL s1, s2;
FIXP_DBL pD;
@@ -233,7 +233,7 @@ static FDK_FORCEINLINE void fft3(FIXP_DBL *RESTRICT pDat) {
/* performs the FFT of length 5 according to the algorithm after winograd */
/* This version works with a prescale of 2 instead of 3 */
-static FDK_FORCEINLINE void fft5(FIXP_DBL *RESTRICT pDat) {
+static inline void fft5(FIXP_DBL *RESTRICT pDat) {
FIXP_DBL r1, r2, r3, r4;
FIXP_DBL s1, s2, s3, s4;
FIXP_DBL t;
--
2.32.0
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