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16dfd01ee379cafcec1f8c1dba07a3b5945f1298 blob 1466 bytes (raw)

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#ifndef __loongarch_soft_float

#ifdef BROKEN_LOONGARCH_FCSR_ASM
#define FCSR $r0
#else
#define FCSR $fcsr0
#endif

.global	feclearexcept
.type   feclearexcept,@function
feclearexcept:
	li.w    $t0, 0x1f0000
	and     $a0, $a0, $t0
	movfcsr2gr $t1, FCSR
	andn    $t1, $t1, $a0
	movgr2fcsr FCSR, $t1
	li.w    $a0, 0
	jr      $ra

.global	feraiseexcept
.type   feraiseexcept,@function
feraiseexcept:
	li.w    $t0, 0x1f0000
	and     $a0, $a0, $t0
	movfcsr2gr $t1, FCSR
	or      $t1, $t1, $a0
	movgr2fcsr FCSR, $t1
	li.w    $a0, 0
	jr      $ra

.global	fetestexcept
.type   fetestexcept,@function
fetestexcept:
	li.w    $t0, 0x1f0000
	and     $a0, $a0, $t0
	movfcsr2gr $t1, FCSR
	and     $a0, $t1, $a0
	jr      $ra

.global	fegetround
.type   fegetround,@function
fegetround:
	movfcsr2gr $t0, FCSR
	andi    $a0, $t0, 0x300
	jr      $ra

.global	__fesetround
.hidden __fesetround
.type   __fesetround,@function
__fesetround:
	li.w    $t0, 0x300
	and     $a0, $a0, $t0
	movfcsr2gr $t1, FCSR
	andn    $t1, $t1, $t0
	or      $t1, $t1, $a0
	movgr2fcsr FCSR, $t1
	li.w    $a0, 0
	jr      $ra

.global	fegetenv
.type   fegetenv,@function
fegetenv:
	movfcsr2gr $t0, FCSR
	st.w    $t0, $a0, 0
	li.w    $a0, 0
	jr      $ra

.global	fesetenv
.type   fesetenv,@function
fesetenv:
	addi.d  $t0, $a0, 1
	beq     $t0, $r0, 1f
	ld.w    $t0, $a0, 0
1:	movgr2fcsr FCSR, $t0
	li.w    $a0, 0
	jr      $ra

#endif
debug log:

solving 54064e01 ...
found 54064e01 in https://inbox.vuxu.org/musl/4cb6e3a.2f0.18b0d3f81eb.Coremail.huajingyun@loongson.cn/ ||
	https://inbox.vuxu.org/musl/3838b2d6-8330-33b5-fd87-8af3404a29dc@loongson.cn/ ||
	https://inbox.vuxu.org/musl/20240125174353.GW22081@brightrain.aerifal.cx/ ||
	https://inbox.vuxu.org/musl/7aad7a07-9762-3d62-a8c2-4cdf860a7dcb@loongson.cn/

applying [1/4] https://inbox.vuxu.org/musl/4cb6e3a.2f0.18b0d3f81eb.Coremail.huajingyun@loongson.cn/
diff --git a/src/fenv/loongarch64/fenv.S b/src/fenv/loongarch64/fenv.S\r
new file mode 100644\r
index 00000000..54064e01\r

1:7: trailing whitespace.
#ifndef __loongarch_soft_float\r
1:8: trailing whitespace.
\r
1:9: trailing whitespace.
#ifdef BROKEN_LOONGARCH_FCSR_ASM\r
1:10: trailing whitespace.
#define FCSR $r0\r
1:11: trailing whitespace.
#else\r
Checking patch src/fenv/loongarch64/fenv.S...
Applied patch src/fenv/loongarch64/fenv.S cleanly.
warning: squelched 73 whitespace errors
warning: 78 lines add whitespace errors.

skipping https://inbox.vuxu.org/musl/3838b2d6-8330-33b5-fd87-8af3404a29dc@loongson.cn/ for 54064e01
skipping https://inbox.vuxu.org/musl/20240125174353.GW22081@brightrain.aerifal.cx/ for 54064e01
skipping https://inbox.vuxu.org/musl/7aad7a07-9762-3d62-a8c2-4cdf860a7dcb@loongson.cn/ for 54064e01
index at:
100644 16dfd01ee379cafcec1f8c1dba07a3b5945f1298	src/fenv/loongarch64/fenv.S

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